Fuel Pump Ground Wire Location

Gauge reads about 2 PSI initially which is normal. If gauge now reads Full, the trouble is in the sending unit. Phone #: 888-235-6456. They continue to perform well, however, the evolution of fuel pump technology has surpassed them in quiet operation and fuel delivery capabilities that an in-tank module can deliver. Fuel pump wiring for the RED circuit is generally going to carry a much higher current than the relay. It is not priming, or pumping. ECC relay needs to be good, computer needs to power on for the fuel pump relay to function. The fuel pump circuit is somewhat involved, the EVTM I described has the diagram for it. This will pull in the fuel pump relay and you SHOULD get 12VDC at the fuel pump connector with the ingnition switch ON. Please review our Warranty, Returns & Refunds policies before you place an order. 1680 West Winton Ave Ste 3, Hayward, Ca 94545. Attach the alligator clamp end of the ground wire to the earth or chassis ground of the vehicle your are filling. Attach the original air cleaner/spark arrestor at the throttle body using the provided adapter fitting and bolts. AutoZone Repair Guide for your Wiring Diagrams Connector Ground Locations (2002) Connector Ground Locations (2002) 1. Your harness MAY NOT have a pin in a location I have listed having a wire. location of fuel pump 1997 cadillac deville the filler tube the rest will lover to the ground with the tank. Connect the pump power wire (+) to a power supply that is controlled by the ignition switch. Once you have found the culprit, you can then trace the individual fuel pump A control wire individually and check for any breaks in the wire. Where is the ground wire located on a 99 Chevy Malibu for a fuel pump? Wiki User 2014-03-18 07:03:37. The relay for the fuel pump is in your under hood fuse panel and I believe is marked on the underside of the fuse panel cover. Start the engine. If a component is most likely found in a par- Section 8W-90 contains connector/ground location illustrations. With the required length of hose connect the pump inlet and outlet to the fuel line and secure with hose clamps. I think you can change the question to “Why do relays go bad” and be just as accurate. I have an issue with my fuel pump I keep losing ground truck won't start I remove the bed pull the ground wire off cleaned it stuck it back on with a good ground fuel pump started working again I. • Fuel pump wiring should be 10 gauge wire and triggered with a relay rated for a minimum of 20 amps (Aeromotive standard fuel pump wiring kit P/N 16301 or the Deluxe HD wiring kit P/N 16307). Then butt-splice the ground wire to the brown wire from the. Continuity test if power wire from fuse box to plug at pump check out good. Truck turns over but doesnt fire electrical code of 542 was reading. With the negative VOA lead connected to ground and the positive VOA lead on the negative side of the lift pump turn the meter select to the 20 amp DC scale, turn the ignition key to. Zip tie wire harness and hoses in place as needed. the beige box. Disconnect the fuel lines from the fuel pump. Often, it's not the pump itself that fails to function, but the power that supplies it. I also doubt if there is any fuse or circuit breaker inside it as it is an absolutely cheap and unmarked pump. Most aftermarket pumps tap into the oem lift pump fuse for that signal wire. 30 minuets later we had the tank installed and the truck ready to drive. Test driving the truck confirmed there is some issue, it would. (optional) This is a ground from the ECM to control the EGR relay. Unhook the ground and gauge should go back, do it several times to make sure gauge is not binding up inside the dash, it could just be a mechanical issue with the needle, not an electrical issue. Fuses are good. Since this didn't happen, attach a ground wire to the batt term and try the same. (1) Remove the FUEL PUMP relay from the engine room junction block. I suspected that the electric fuel pump relay was faulty, but after further troubleshooting that is not the problem. Start the engine. Look for road debris damage and corrosion/heat damage on the connector terminals. This is a basic task you should always do when working with electrical components on your car to avoid being shocked, causing sparks, or frying components. Head: 7-10m 8. You might have a fuel pump module…not 100% sure on this year model without doing some research…. The tan/green wire I mentioned is a splice wire that is tied into the trigger wire from the fuel pump relay to the ECM. I installed another relay to switch ground to the connector on the Fuel Pump relay. DO NOT cut, alter, or dissect the ORS conversion harness. NPT inlet and outlet size, female threads attachments; Delivers 42 gallons per hour free flow rate at 4 psi pressure; Includes fittings and mounting hardware; An external type 12-volt electric pump that is compatible with gasoline based fuels and additives; Features simple 2-wire. Crimp on a connector to the other blue wire (the blue wire still attached to the fuel pump), and attach it to terminal 30 of the relay. dropped tank have positive for 3 seconds 4. If the fuse is blown, it will be broken or burned. check connector on AFM and the ground point connection under left headlight for damage 7. or one on each rear wheel. Basic Safe Electric Fuel Pump Wiring Diagram This is the basic wiring diagram for SAFE electric fuel pump wiring. The black fuel pump ground wire is grounded to the firewall near the back of the engine on the right side (along with other wires as I recall). Then crawl under the truck and check for power at the fuel pump itself. The high pressure fuel pump does not need to be removed and replaced. i am a non-wiring person, i have a bosch relay # 0 332 209 150-896. It is an electric pump that feeds fuel to the engine and if it isn't running, neither will your engine. 93/ft: 8/2C w/ Ground Flat Yellow Submersible Pump Cable » $1. Replacement of defective fuel pump or fuel pump relay Repair or replacement of any electrical components in the CAN bus harness, such as corroded, open, or shorted connectors, or wirings Replacement of broken control module ground wire. There is a round black connector with 2 wires, cut the blue wire and connect the new larger wire to the wire running into the fuel tank. The PCM provides what is called a low reference, probably a ground, which is a black wire(PCM terminal C-1 #23). [Editor's Note: The stock fuel pump wiring consists mostly of 16-gauge wire that is routed through the engine control relay and a resistor. The illustrations contain the connector name (or number)/ground number and component † Jumper Wire - This is a test wire used to con-nect two points of a circuit. the other wire has like 12 volts on it. Grounds are important to any electrical system, and especially to computer controlled engines. The diagram is color coded per circuit and only a few things may need to be said. Venture - Ground Wire Locations - Ok, so the other day I decided to add an extra ground wire to my van because it was misfiring on 2 and 4. Lead wire and electrical ground options A. Fiat 500 N/D Fuel Pump Type BCD Corona Repair Kit. All external terminals & housings are sealed to meet SAE automotive wiring specifications. 87 to fuel pump relay terminal No. I have the negative wire to the pump attached to the stud inside the module and the positive attached to the pass through screw. If this works, and the pumps turn on, but didn't run earlier, you have a bad fuel pump relay. FUEL PUMP 5P (BLACK) CONNECTOR. 5 Volts (and pressure at Shrader had been about 20psi). ) Remove the fuel pump replay. There is no power from the main relay at all from the black/yellow wire at the fuel pump relay plug. 85 - to ground 87 - should be a #12 to the pump The image below depicts a standard. Where is the ground wire located on a 99 Chevy Malibu for a fuel pump? Wiki User 2014-03-18 07:03:37. Fuel pump wiring for the RED circuit is generally going to carry a much higher current than the relay. Double check your fuel pump relay location with the latest Mercedes Benz repair information. As the fuel pump relay controls power to the fuel pump, any faults with it can cause issues with the fuel pump, which can cause drivability problems for the vehicle. I am finishing up a complete rewire of my 28 PU with a harness kit. Includes fittings and mounting hardware along with easy to follow DIY instructions. did you make sure the stop lanyard is in place,if its not you should get an audible alarm,if they actually work, and no pump voltage. I know that two are for the fuel guage, and at least two are for the fuel pump. Re-install the fuel pump assembly with the new fuel pump. Terminate the other set of contacts in the same manner. As I said before, I suspect that the ECU is performing a safety function such that the pump is not running. I have an issue with my fuel pump I keep losing ground truck won't start I remove the bed pull the ground wire off cleaned it stuck it back on with a good ground fuel pump started working again I. i would put more fuel in your tank and hook up a mulitmeter to the grey wire (still hooked up and running) and ck for 12 volts as shes cranking and after it starts. Installing on the other (injection pump) side of the same hose will place. answered May 6, 2016 by Carguy1 ( 10. Also pull the breather off the filler neck. Check the following: Defective fuse, fuel pump. He only remembers the fuel pump connector been removed and plugged in back. Fuel Pump Relay Diagnostic/Troubleshooting Notes: FP relay terminal A (ORG wire): Should have 10 to 12 Volts DC with Key On Engine Cranking or Key On Engine Running (KOER). The big problem here is the fuel lift pump in the fuel tank. I am finishing up a complete rewire of my 28 PU with a harness kit. Is there a way to see if the gauge works with a tester by putting power to it at the tank location? Not crucial but would like to have a working fuel gauge. I have an issue with my fuel pump I keep losing ground truck won't start I remove the bed pull the ground wire off cleaned it stuck it back on with a good ground fuel pump started working again I. I reverse the wires,the black normally ground wire goes to the positive post and the tan normally positive wire goes to the negative post acting as my hookup should be positive ground and nothing works. 2 bolts hold it in place. next, check for fuel pump signal at the fuel system control module. Then remove the plastic cover and you will find the module. Somewhere above the fuel tank?. 5 amps) on the wires between terminal 30 to the battery and terminal 87 to the pump. If you are having trouble firing up your engine or you suddenly experience strange idling while on the road, it could be that your fuel pump is on its last legs. If the 2 grounds on the intake manifold are damaged (the 2 that bolt to the intake manifold with a 10 mm bolt) then the ecu will have issues working properly (ie, grounding the fuel pump relay). Anyone know where the location of the fuel pump relay is on a 94 s10 2. Terminal 85 - to the smaller power wire (coming from the rear) that was connected to the harness side of the pink wire. Have ground to fuel pump fuse but no power. Performance Injectors are available for your custom car, truck,atv, motorcycle, sand rail or other application. The fuel pump is brand new and also the Fuel Pump Drive Module is brand new and the car starts if you put starter fluid which means it is a fuel pump problem. The junction box is located in the cab at the end of the dash on the driver's side. Power to the fuel pump goes through splice S 132 located in the dash panel to headlight harness near take off to inline Circuit 100F. Next, connect a small jumper wire between the relay socket terminal #5 and the other terminal directly across from #5, which is actually terminal #3. if this has 2 fuel tanks, the connection at the switching valve needs to be checked. above listed order. Where is the ground wire located on a 99 Chevy Malibu for a fuel pump? Wiki User 2014-03-18 07:03:37. I don't believe that an engine temperature or oil pressure sensor would cause a fuel pump not to work. 54cm) back from the connector as shown at right: The black wire is simply an extra ground wire and carries minimal electrical. As the temperatures drop in the winter months, the pump shuts off and lets your furnace take over. Fuel gauge and fuel pump share a common 'ground/earth' on the black wire in the X10 connector. You should find the gauge feed in the X10 comes from the dash cluster The pump and gauge have separate power feeds but a common Ground. Original and used pumps don't deliver fuel. Re: Tracker boat fuel gauge sending unit location MBF, If you touch a known good ground the the pink wire termination, it should peg your gauge to full. Transfer Pump Fuel Return Through Heater Fuel Supply to Engine Fuel Pump Optional Heat With Coolant Fuel Tank WIF Probe. 99 Fuel pump electrical issue - posted in Spec Miata Garage: Im trying to debug an issue with my 99 where the fuel pump runs continuously, when the key is in the acc position w/o a jumper in the diagnostics box. Mixing flammable liquids and gas with improper wiring can create the potential for a dangerous situation. Also the D1 EFI engine is “hot wire” it always has been so don’t confuse it with the Range Rover 3. or just call your Ford dealer parts department and ask. Oklahoma City, OK 73179. Yellow arrows point to terminal 87 (fuel pump feed). A vehicle is grounded from the engine block to the frame, from the engine block to the body, from the body to the frame and Of course from the battery ground to the frame. Revised 26 -Oct -2016 to add fuel pump ground to the list. The other black wire on the sending unit with a tab style connector is a ground to the frame. How to wire an electric fuel pump I am finishing up a complete rewire of my 28 PU with a harness kit. ECC relay needs to be good, computer needs to power on for the fuel pump relay to function. Connect HT to a ground. Finally, reconnect the negative battery cable to be able to start your engine and see if putting in your replacement tank did the trick in fixing your car. Voltage: 110V, 220V 6. Ground: Grounds can be classified as either clean or dirty grounds. Attach the alligator clamp end of the ground wire to the earth or chassis ground of the vehicle you are filling. 2005 Ford Expedition Fuel pump getting no voltage Hello there is a ford expedition me and my dad are trying to fix for my aunt, but we cant seem to find the problem. The ground wire of the coil. This will pull in the fuel pump relay and you SHOULD get 12VDC at the fuel pump connector with the ingnition switch ON. 5 Volts (and pressure at Shrader had been about 20psi). New crank sensor. For Sale - 49 Bald Cypress Ln, Levittown, PA. the load is the component your applying power to (electric fuel pump), the source is a cable from a 12V+ (batery), grounds are placed as close to the component (relay, fuel pump) as possible wthin reason, the signal in your case will be the ignition wire coming from the ignition switch, it will connect to one side of the oil-pressure switch. If you are having trouble firing up your engine or you suddenly experience strange idling while on the road, it could be that your fuel pump is on its last legs. there is also a pair of wires sticking out of the wiring harness about 6 or 8 inches from the PCM connector. No contaminates in fuel. Look for 12 volts at the Orange/Lt Blue wire on the fuel pump relay. ELECTRONIC TRANS 1. i have a 02 sierra denali with a 6. The dark green/yellow wire from the ECU to the fuel pump relay did not have continuity - replaced that wire and the fuel pump started working like it is supposed to (prime. Look for road debris damage and corrosion/heat damage on the connector terminals. If the relay has a 5th terminal, it is not used. Right here are a few of the leading drawings we obtain from various resources, we wish these images will certainly work to you, as well as with any luck very pertinent to exactly what you desire concerning the Dodge Ram 1500 Fuel Pump Wiring Diagram is. Grounds are important to any electrical system, and especially to computer controlled engines. Power cable: H05RN-F 3G0. Aug 2, 2009. That is the reason I am asking if there is a. Not sure how to test the pump as it is pwm. Here's what I don't know: 1. Some vehicles have a feedback on the fuel pump supply circuit. That makes sense to me because the wire in question (on the RS fuel pump) was internally shorted to the temperature sensor and then grounded, and that RY wire neve came out of the fuel pump harness. I changed the fuel pump on my 1996 GMC Sierra earlier in the year. Be sure to get the polarity correct so that fuel pump spins in the correct direction. A wiring diagram and a 12 volt test light are two things that would be very handy to have to track this down. it states # 86 goes to ground. EMISSION CONTROLS 2. #N#1995 Caprice / Impala SS / Road Master LT1 & L99 Engine Wiring Schematics: PCM POWER & GROUND. Replaced both relays and didn't change. Preventing Fires at the Gas Pump. No continuity with ground standing or cranking) Starter relay plug ( plugged in - 12v standing and cranking on 3 white/red. Electric Fuel Pump: How to Do It Right. it will be easy as the pump is mounted in the tank. if i just connect 12 volt from fuel pump harness and ground from the car to relay it works, but as soon as i connect fuel pump to relay it wont switch off. Green arrows point to terminal 30 (battery positive). I never get the signal to turn on the fuel pump or fire the injectors but if i poor gas in the intake once the truck starts it runs fine. If it clicks, and if GRN/RED and GRN wire don't have power, change the relay. It doesn't seem to be enough to throw. PCM BLACK CONNECTOR. I suspected that the electric fuel pump relay was faulty, but after further troubleshooting that is not the problem. If anyone has experience with the fuel pump wiring on an '81 924 NA please help. I used a 1/4 bolt, flat washers, and lock washers threaded into the dash support brace to the left of the glove box. 85 should have good ground from ECU. Is this necessary? Is the black wire, I'm assuming it's the ground, grounded at the other end of the pigtail?. No visable ground wire. Ground wire in the back of engine block went bad! GM 4. Measure the resistance between the terminals. Of the 3 wires going to the pump assembly, the red is hot on the pump, brown is ground, and the purple/white is the fuel gauge sender. If it looks. 5 Volts (and pressure at Shrader had been about 20psi). This will verify your wire from the fuse box to the fuel pump connector. Inspect fuel pump resistance. (There may be a schematic on the side of the relay. tw/books/pida/6/ OPTOLINK 2013 Q2. Place the fuel pump and sender unit / fuel pump module on a clean work surface. Have heard before that there should be one, but never saw one since I bought the truck(3 years ago). 30AM -4PM PST. A few days later my fuel problems started. That 12V red wire can be connected to a good power distribution/junction block location. At the rear of the car on the driver shock tower, cut the blue and black wires on the harness side of the fuel pump, leaving enough wire to make a connection. The splice is. The ignition or powertrain control module (PCM) usually controls the fuel pump relay. The power distribution center is located under the hood in your engine compartment. (1) Remove the FUEL PUMP relay from the engine room junction block. I checked the power at the pump. Your wires may differ slightly in color depending on year: check the wiring diagram. Thread starter #1 this might seem dumb but does the ground wire on the top of the fuel tank sending unit have to be ground to it, or can it be lengthened. Connect the Green/Black wire to a switched 12V source. I have the negative wire to the pump attached to the stud inside the module and the positive attached to the pass through screw. I changed the fuel pump on my 1996 GMC Sierra earlier in the year. Relays have been tested and are fine, they also click when key is turned on. Connect the pump ground wire (-) to a suitable ground. Using the #10 black wire, route the wire from the fuel pump negative terminal or lead wire to the “GND” terminal on the PSC or to a good clean chassis ground. its hard to diagnose something thats not in front of me. Any ideas?. INSTALLATION AND TUNING INSTRUCTIONS You have bought the BG400 - the ultimate in number 152387 has all the necessary parts includ- state-of-the-art electric fuel system. Works on 12 Volt negative ground systems only. It is not priming, or pumping. Ok, I looking at a diagram and fuse #8 (20AMP) should be the feed to Fuel Pump relay, a red-white (RD-WT) wire( #30 at relay), from the relay to the pump it will be Dark Green-Black (DG-BK) #87 at relay. Be sure to get the polarity correct so that fuel pump spins in the correct direction. The illustrations contain the connector name (or number)/ground number and component † Jumper Wire - This is a test wire used to con-nect two points of a circuit. The ground for the fuel pump is G101 located in the lower left front of engine compartment. The ignition or powertrain control module (PCM) usually controls the fuel pump relay. Looking in my Bentley, interesting to see how the fuel pump ground location changes over the model years. Circuit 450 off of the relay is black w/ white and is a ground for the coil side of the relay, the part the controls the switching on and off of the power. 2000 s10 fuel pump gray lead wire not working. I just cleaned the fuel tank, rebuilt fuel pump, installed new sending unit and I get no readings with the stock gauge. If you have an AFM, do. I would check all the wiring under the car for the fuel pump. I got her home and I ordered and installed a the new FP relay. It is an electric pump that feeds fuel to the engine and if it isn't running, neither will your engine. the grey wire is the 12v supply when engine oil pressure goes over 4 psi. Unhook the ground and gauge should go back, do it several times to make sure gauge is not binding up inside the dash, it could just be a mechanical issue with the needle, not an electrical issue. S103 is on the Left Rear of Engine Compartment. NOTE: This pump is pre-wired for installation in CLASS I, DIVISION 2 locations such as portable fuel tanks, trailers, etc. The Sunbelt Promise. If you have power all the way to the fuel pump, then check for ground at the fuel pump connector, black wire. Other owners have reported. kudran, yes it can. With the negative VOA lead connected to ground and the positive VOA lead on the negative side of the lift pump turn the meter select to the 20 amp DC scale, turn the ignition key to. Reconnect the battery and turn ignition switch to 'run' position. Yellow arrows point to terminal 87 (fuel pump feed). FUEL INJECTOR FUEL PUMP IGN, VSS DATA 1. P1233 Fuel Pump Driver Module off-line Fix code P1233 Fuel Pump Driver Module off-line – Ford. Working with gasoline is inherently dangerous, as is working underneath a vehicle. now i have no power to fuel pump. Fuel pump not getting power from ECU. Replace relay with jumper wire (paperclip) truck runs like new with. If there is no ground at the connector, check for a bad ground wire or a bad grounding point. Transfer Pump Fuel Return Through Heater Fuel Supply to Engine Fuel Pump Optional Heat With Coolant Fuel Tank WIF Probe. Find a convenient nut to remove, cut the ground wire to a suitable length, crimp on a ring terminal, and secure it to ground. Unplug the fuel pump connector by the tank and check for power with a test light while someone turns the key to on. This is the - 2002-2008 Dodge Ram. 93/ft: 8/2C w/ Ground Flat Yellow Submersible Pump Cable » $1. This is a ground to turn on the light. 00 and should have been replaced when the fuel pump was replaced. No contaminates in fuel. 4 Powerstroke High Pressure Fuel Pump Install Kit. My gas tanks straps broke n my tank hit the ground and the wires pulled out of the connector and now I can't get the pump to turn on Show Full Signature 3"BL 33x12x5 on ion 15x8 dwight TB and spacer, projector headlights, euro tails, 20% tint, procomp shocks, westin bull and nerf bars, k&n fipk, flomaster cat-back duals, and a superchips tuner. The black/white-pink wiring goes to the ECU (at least on my car). Also known as sub pump wire, it's protected by durable, plastic insulation that resists oil, lubricants, acids, ozone, and abrasion, making it ideal for wet or hostile environments. power goes to the inertia switch via dg/ye wire, then from inertia to the pump via pk/bk wire. find the dark green/white wire in pin13. This voltage comes from the GRY inline fusible link located in the engine compartment junction block. Splice #12 wire to the red wire coming off the pump by twisting the bare wires together and. The color codes are as follows: yellow w/ black- pump ground, gray- pump positive. Plug the fuel pump relay harness into the relay, until it locks into place. In an automobile, the ground is the return path for power to get back to the alternator and battery. Bad inertia fuel shut-off safety switch (Shuts off fuel in an accident, may have been tripped by a severe jolt, press button to reset). The fuel pump circuit is somewhat involved, the EVTM I described has the diagram for it. The OEM feed goes direct to the fuel pump, then the ground wire goes through the FPCM (Fuel Pressure Control Module) which either switches to ground (giving full voltage), or through a dropping resistor (giving the voltage drop). I bought and replaced module and listed the scan below which shows a fuel pump relay code. 30AM -4PM PST. Another event Fuel pump is bucking. The ground and fuel-level sensor return both use a black wire. The only electrical requirements to a storable above ground pool are as follows: If electric is required to supply a pool filter pump motor, or a pool low voltage underwater light fixture listed and labeled for us with a storable pool that is 42" deep or less, NEC Article 680. You can jump pole 30 and 86 together and run the wire from from pole 85 to the toggle switch and a wire from the other side of the toggle switch to ground. Disconnect the fuel line at the engine. Some vehicles have a feedback on the fuel pump supply circuit. The fuel level sensor wires, the light blue/black and black/light blue go to the PCM pin 33 and to splice S103, respectfully. Is this necessary? Is the black wire, I'm assuming it's the ground, grounded at the other end of the pigtail?. Not sure how to test the pump as it is pwm. Fuel pump relay terminal No. • Connect a ground strap or cable (minimum of a 0 Ga. Chevelle Interiors, Sheet Metal, Disc Brake Conversion Kits, and Chevy Chevelle Restoration Parts. (There may be a schematic on the side of the relay. I am testing these voltages at butt connectors I used when I replaced the connection to the fuel pump. ECC relay needs to be good, computer needs to power on for the fuel pump relay to function. It has 2 wires; a brown ground wire that attaches to the grounded tab connector and a yellow (or some other color) “signal” wire that attaches to the insulated tab connector. You need to find where the 12 volts to the fuel pump stops. Start new topic. Add to Cart. on multiple locations on the core support. The fuel pump did work before the flip, but does not after. Double check your fuel pump relay location with the latest Mercedes Benz repair information. To test the relay see if this helps. Relays have been tested and are fine, they also click when key is turned on. 05v on all 3 when cranking. When I turn the key on I don't hear anything like a pump cycling, should I?. Its the white wire with a black stripe. The wire colors in the manual dont match the boat. I suspected that the electric fuel pump relay was faulty, but after further troubleshooting that is not the problem. See all 41 photos Coming off of the fuel computer harness are these three wires, which connect to the fuel pump. Use a relay to power the 10 ga line. If you do cut an access hole the interior of the car. Re: Tracker boat fuel gauge sending unit location MBF, If you touch a known good ground the the pink wire termination, it should peg your gauge to full. I have 12V on the pumps red lead when I ground directly to the negative battery terminal, but when I put my ground lead on the blue wire on the pump leads the voltage goes to zero. I am finishing up a complete rewire of my 28 PU with a harness kit. WARNING: If pump is to be installed in a CLASS I, DIVISION I location please. Note that power will only be on the Yellow wire when key is in run or start position, and power will only be on the Blue/white wire when the key is in start. Locate the ground wire for the lift pump and place the VOA meter leads in series anywhere between a grounding point and the negative terminal/wire of the lift pump. Max flow: 60L/min 3. Zip tie wire harness and hoses in place as needed. Problems with Fuel pump Chevrolet Blazer 1997 by jdsem Oct 11, 2005 10:19PM PDT My 1997 Chevrolet Blazer, Model S 10506, Vortec 4. If you are having trouble firing up your engine or you suddenly experience strange idling while on the road, it could be that your fuel pump is on its last legs. If you remove the left rear tail light you should see a connector there with a pink/black wire that goes to the fuel pump. It should light up. Fuel pump is new, tested and is good. The electric fuel pump is near the gas tank. If battery voltage is present on pin E1 then it will burn out the ECU fuel pump output instantly. i am a non-wiring person, i have a bosch relay # 0 332 209 150-896. Also known as sub pump wire, it's protected by durable, plastic insulation that resists oil, lubricants, acids, ozone, and abrasion, making it ideal for wet or hostile environments. Don't have a ground wire for the fuel tank. With no ground the pump does not run, ground the wire then the pump runs. Disconnect the wiring at the fuel pump, pull the relay out, and test for resistance to ground on pin 30. Car will run on starting fluid but nothing from the fuel pumps. i have a 02 sierra denali with a 6. Pull back the black sleeving to expose the wiring leading back to the beige box as shown at right: Step 6. at idle or 5 lbs. The contact owned a 2000 Chevrolet Venture. This voltage comes from the GRY inline fusible link located in the engine compartment junction block. Be sure to get the polarity correct so that fuel pump spins in the correct direction. there is also a pair of wires sticking out of the wiring harness about 6 or 8 inches from the PCM connector. Installing an electric fuel pump is not. According to the wiring diagram gods, that cable runs from tank to PCM with no change in the color of those wires. Transfer Pump Fuel Return Through Heater Fuel Supply to Engine Fuel Pump Optional Heat With Coolant Fuel Tank WIF Probe. This is what I've figured out so far: large blue/orabge wire: I assume this is the 12vdc power in to the fuel pump and it now reads 0vdc with the ignition on. Add to Cart. Current and ground along with no fuel pressure suggest a bad fuel pump. the load is the component your applying power to (electric fuel pump), the source is a cable from a 12V+ (batery), grounds are placed as close to the component (relay, fuel pump) as possible wthin reason, the signal in your case will be the ignition wire coming from the ignition switch, it will connect to one side of the oil-pressure switch. Use a multimeter and see if it's. The solid state pump will push or pull fuel, from a hidden location under the car, through your origin. 0L no spark but good fuel - Duration: 7:30. Often, it's not the pump itself that fails to function, but the power that supplies it. The other black wire on the sending unit with a tab style connector is a ground to the frame. WARNING: If pump is to be installed in a CLASS I, DIVISION I location please. Grounds are important to any electrical system, and especially to computer controlled engines. Under my seat i have 5 wires (plus a 3 wire plug but thats not the one im talking about) the white 5. Connect the pump ground wire (-) to a suitable ground. To test, you need to take the connection off of the sending unit, at the tank, turn on ignition, and then ground and un ground it and view results at the gauge. I am on my second new fuel pump it ran for 2 weeks then crapped out on me. Connect the pump ground wire (-) to a suitable ground. Perhaps there is increased resistance at some point in the fuel pump electrical circuit in my car, such as at the grounding point. During the summer months, the heat pump works like a high-efficiency central air conditioner. Here is a car that has a good pump but the fuel pressure is dropping because of a restricted tank sock. Suction: 5m 7. The contact mentioned that the fire originated in the engine compartment and caused a. I believe the ECU supplies the ground for the fuel pump relay control circuit once it sees a reference from the Cam/Crank sensor depending on the year of the machine. At first I thought it was just the old rusty bolt that grounds the fuel pump wire to the frame so I switched the bolt out. Disconnect the fuel line at the engine. You need a voltmeter, or at least a 12V test light. Fuel pump factory. The factory ground wire on the fuel gauge should be removed as shown with the oil temp gauge connections on the previous page and the supplied ground wire put in its place. A5- brn/wht- SES(service eng soon) light. Also the D1 EFI engine is “hot wire” it always has been so don’t confuse it with the Range Rover 3. Problem is back -- so it wasn't the ground, it wasn't the spade terminal at the fuel pump. Head: 7-10m 8. that is the main PCM ground along with a bunch of other stuff in the fuel injection system. Remove fuel pump replay. Pay particular attention to the Brown / Black wire at the fuel pump relay -- it's the wire that picks up the relay to run the pump and should go to ground (below 2 volts) for a couple seconds when the key is turned on, when the starter button is pressed, and when the engine is running. Power cable: H05RN-F 3G0. 12, 11, 8 , 6, 5 ,2, 0 volts. A ground wire, sometimes also referred to as a “grounded” wire, is an electrical wire that neutralizes and protects devices, appliances, and buildings from current problems and shocks. I checked the power at the pump. Clean grounds are identified by a (BK/GN) wire and are normally used for sensors or modules. 2005 Ford Expedition Fuel pump getting no voltage Hello there is a ford expedition me and my dad are trying to fix for my aunt, but we cant seem to find the problem. Connect the Green/Black wire to a switched 12V source. With no ground the pump does not run, ground the wire then the pump runs. Fuel pump ground 15 Answers. Guys who continuously run down below a 1/4 or less can expect a shorter fuel pump life. Check for damaged wires. Fuel gauge and fuel pump share a common 'ground/earth' on the black wire in the X10 connector. (Both the P60430 and P60504 look about the same, although the P60504 is rated at 4 PSI) I have such a setup on my 1939 LaSalle, using the electric fuel pump for priming purposes only, and running off the original mechanical fuel pump (no check valve or bypass). Inoperative fuel gauges. Leave blank Pin 2. 27 volts and the other connection I get 0v. If I show a wire, and your harness does not have it, you probably don't need it anyway. RE: FUEL PUMP ISSUES! IP: Logged Message: I already wrote that I checked the relays and fuses! chris Dodge Dakota JOIN HERE 4/07/2003 21:27:32: RE: FUEL PUMP ISSUES! IP: Logged Message: bad ground ,broken wire, corrosion ? probe around until you can isolate where the power stops: 1999Dakota Dodge Dakota JOIN HERE 4/07/2003 21:59:55: RE: FUEL. Am I correct that you are saying the fuel pump sending unit, the fuel level gauge? If not perhaps I am misunderstanding what the unit actually is. Check the fuel pump fuse. That makes sense to me because the wire in question (on the RS fuel pump) was internally shorted to the temperature sensor and then grounded, and that RY wire neve came out of the fuel pump harness. Be sure to get the polarity correct so that fuel pump spins in the correct direction. Replace Fuel Pump Gauge pegs at “Zero” or at “Max” degrees. The ground wire of the coil. EMISSION CONTROLS 2. or it could be a connection at the harness for the module assembly. Pull back the black sleeving to expose the wiring leading back to the beige box as shown at right: Step 6. 5) Fuel Pump Relay Pin 7, T1: Brown/White: G2/08: Secondary Air Injection Pump Power, EVAP Canister Valve Power (VR6) Fuel Pump Relay Output: Red/Blue: G2/09: VR6/ABA Motronic ECU (Fuel Pump Input) Fuel Pump Relay Input: Red: G2/10: High Oil Pressure Switch: Oil Pressure Warning Unit: Yellow. Circuit 450 off of the relay is black w/ white and is a ground for the coil side of the relay, the part the controls the switching on and off of the power. NOTE: You can find the 1993-1995 F-Series Pick Up fuel pump (with dual fuel tanks) circuit diagram here: Fuel Pump Wiring Diagram (1993-1995 F150, F250, F350). Using a fore innovation triple pump module, I have the system wired so the main pump relay is triggered by the factory pump trigger, and the next 2 are connected to factory pump trigger+12v but triggered by ground through hobbs switches set to 7 and 15psi. Car will run on starting fluid but nothing from the fuel pumps. Now the old style pump is supposed to have 3 wires and the new style pump is supposed to have 4 wires. Other owners have reported. To make a long story short, got to the back of the fuse/relay panel and found the black/green wire that is power to the pumps. The pump relay probably has 4 wires at the connector, 2 for the control circuit and 2 to power the pump. Unplug the fuel pump connector by the tank and check for power with a test light while someone turns the key to on. connect pin1 (black ground) to pin16 (pink ground) 2. Order Fuel Pump Relay for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. There is a lot of confusion and misunderstandings about them. New crank sensor. seem like the relay is not being told to switch. I have already found the connector in the left side well under the removable floor section. 5 “flapper “ engine. I still don't have the negative to the Sniper unit hooked to the battery. Connect the pump ground wire (-) to a suitable ground. Could be a blown fuse or may need to relocate to a new ignition source. on both inner fenders. Wire The Fuel Pump. these feed the coils of wire in the speed sensors. This way, you can still use the DLC connection under the hood with a jumper to ground to bleed the fuel system after an injector swap, rail removal, etc. Hope someone can help. I've checked the continuity of those ground wires and they all seem good. This is a bad fuel pump. Posted October 5, 2008. ELECTRONIC TRANS 2. When in doubt, create an additional circuit using an automotive relay available at any automotive parts supplier. Thread starter bigneily; Start date Aug 2, 2009; bigneily Joined Nov 19, 2007 Messages 292 Location cranbrook , bc canada. For the wiring diagram, click here. Wiring diagram Deviate relay location and fuseplacements as well as the locations of multiple connectors see section "com- 12 Fuel Pump (FP) Relay (167) 13 Coolant Circulation Pump Relay Motronic Multiport Fuel Injection (MFI) wiring harness 139 - Ground connection (sensor Ground), in Motronic Multiport Fuel Injection (MFI) wiring harness. For customers requiring a high level of technical expertise, Sunbelt Rentals solutions offer the products and knowledge you need. or it could be a connection at the harness for the module assembly. Chevelle Interiors, Sheet Metal, Disc Brake Conversion Kits, and Chevy Chevelle Restoration Parts. 80 mm) green WIF wire. This means dispenser pump control wiring cannot supply more than one dispenser. You need to put 12 volts at the prime connector and see if the power is now at the fuel pump connector at the tank. Some vehicles have a feedback on the fuel pump supply circuit. 8 mm) black ground lead with a 3/8" (9. Support the tank, undo the 3 straps. There is one thing that confusing. I don't know which point on the relay, 85 or 86, has power, but with the key on one should have 12V and the other should show a short to ground. A wiring diagram is necessary for the various connectors. Fuel Pump Power/Ground Wire? I have a MY99 and want to put a fuel pump shut off switch in my car, for added security. Connect a ground to terminal 1 and battery voltage terminal 2. NOTE: You can find the 1993-1995 F-Series Pick Up fuel pump (with dual fuel tanks) circuit diagram here: Fuel Pump Wiring Diagram (1993-1995 F150, F250, F350). After I put on the extra ground wire and drove home, I noticed that it didn't chug as much, so I'm wondering, where are the ground wires located so I can replace them, ALL of them. the grey wire is the 12v supply when engine oil pressure goes over 4 psi. The high pressure fuel pump does not need to be removed and replaced. Re: Tracker boat fuel gauge sending unit location MBF, If you touch a known good ground the the pink wire termination, it should peg your gauge to full. If you can't easy find all of these. (The fused side of the cigarette lighter is the preferred location. Use a relay to power the 10 ga line. More typical for DIYers would be to ground pole 85, and run another 12V+ lead to the other pole of the toggle switch. If battery voltage is present on pin E1 then it will burn out the ECU fuel pump output instantly. I've checked the continuity of those ground wires and they all seem good. Was told that this was a common problem with S-10's and Silverados of that era, but the Chevy mechanic said he never saw it on a Vette before. Now it won't do it at all and I was sure it was the pump, once I pulled the pump out I shot pin 4 to ground and didnt get anything so I thought I reassured myself of the pump. Fiat 500 D Fuel Tank Sending Unit. I am getting about 5. no ground for fuel pump detectedi used a test light for thiese tests a. Step 10:Put back the support brackets, lower your lifted Toyota to the ground, replace the fuel pump relay, and put back the fuel filler cap. Have heard before that there should be one, but never saw one since I bought the truck(3 years ago). Original and used pumps don't deliver fuel. On the WRX, they are separated. Disconnect sender terminal wire at dash gauge. Terminal 87 - to the power wire coming from the battery. Choose top quality brands AC Delco, API, Action Crash, Airtex, Autobest, Bosch, Brute Power, Carter. Find a convenient nut to remove, cut the ground wire to a suitable length, crimp on a ring terminal, and secure it to ground. Disconnect wire from sending unit at tank. 5 Volts (and pressure at Shrader had been about 20psi). Pull back the black sleeving to expose the wiring leading back to the beige box as shown at right: Step 6. 1680 West Winton Ave Ste 3, Hayward, Ca 94545. Fuse is good as well. anyways does someone have the wiring diagram for that taillight since theres like 10 wires and im not sure which on is ground i think i might just bypass the connector for the fuel pump only and see if that works any suggestions thanx !!!!!. ORS-EC002 ’85-’88 Minitruck & ’85-’89 4Runner Donor Fuel Injection *****NOTICE TO CUSTOMER: If there is a problem suspected with the wiring harness, call ORS. Pumps require approximately one amp average draw at maximum delivery. (405)745-6000. 4, then your pool equipment must be served by a GFCI protected. This can be done with the temperature sensor in the engine block, a manual operated toggle switch, or both. You have to modify an offset wrench to be exceedingly thin in order to fit between the pump and valley to get the servo advance cover off. most fuel pump the ground is directly on the frame that holds. Disconnect the fuel line at the engine. The last step was to wire the ground connection for the fuel. Finally, reconnect the negative battery cable to be able to start your engine and see if putting in your replacement tank did the trick in fixing your car. Also make sure the connection is secure and tight. Using a volt-ohm meter, compare the voltage at the pump (use that short section of exposed wire and the ground. This is how the factory switches devices like the fuel pump. GREEN/WHITE FAN RELAY GROUND This wire will activate your electric fan when grounded. No visable ground wire. Fuel Pump Relay Diagnostic/Troubleshooting Notes: The YEL wire:. I reverse the wires,the black normally ground wire goes to the positive post and the tan normally positive wire goes to the negative post acting as my hookup should be positive ground and nothing works. Here's what I don't know: 1. click on a figure module-fuel pump lt. The wire coming from the fuel pump is the other ground wire. This is a basic task you should always do when working with electrical components on your car to avoid being shocked, causing sparks, or frying components. This voltage comes from the GRY inline fusible link located in the engine compartment junction block. Trying to diagnose the issue with my fuel gauge. fuel pump to a clean ground. It doesn't seem to be enough to throw. Electric Fuel Pump: How to Do It Right. Thread starter bigneily; Start date Aug 2, 2009; bigneily Joined Nov 19, 2007 Messages 292 Location cranbrook , bc canada. This leaves an empty terminal on the relay. Connect one of the red wires to the positive wire (red wire) of the fuel pump. ) The control circuit will have a ground wire and a wire that has power only when you turn the key to START. With no ground the pump does not run, ground the wire then the pump runs. Have heard before that there should be one, but never saw one since I bought the truck(3 years ago). By beeto24, October 5, 2008 in 1999-2013 Silverado & Sierra 1500. Want an electric fuel pump to last forever and work right? We're going to show you how to install it and wire it up the correct way! Ok, let's talk about electric fuel pumps. RoverT offered to let me try his ECU. In an automobile, the ground is the return path for power to get back to the alternator and battery. Order Fuel Pump Relay for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Fuel pump ground 15 Answers. Silverado & Fullsize Pick-ups - 1997 1500 Silverado 5. Since this didn't happen, attach a ground wire to the batt term and try the same. Then I bolted the fuel pump in place, attached a low pressure inlet line to a AN-6 inlet fitting, (could have used a 3/8″ barb fitting but this just felt cleaner), and built a stainless AN -6 line for the outlet (high pressure) side to attach it back to the factory fuel hardline. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » fuel pump wiring diagram? FusionBB™ Version 2. If you are having trouble firing up your engine or you suddenly experience strange idling while on the road, it could be that your fuel pump is on its last legs. Well, of course, when the battery is connected the fuel pump runs even though the ignition is off. Does the fuel pump run? Also: Is there bright white spark at all 4 spark plugs, even though the fuel pump does not prime? Any CEL codes?. make sure the attachment point has been taken to bare metal using a grinder or stiff welding brush. In this test step, we're gonna' jumper two wires (numbers 3 and 4) together to manually get the fuel pump to activate. That makes sense to me because the wire in question (on the RS fuel pump) was internally shorted to the temperature sensor and then grounded, and that RY wire neve came out of the fuel pump harness. I installed another relay to switch ground to the connector on the Fuel Pump relay. Terminal 87 supplies voltage to the. Look at the attached pic to see where 12v and ground should be. We then check for ground with terminal #2. New crank sensor. Re: jeep wont start, no fuel pressure, changed fuel pump, still no pressure jeep wont start, no fuel pressure, changed fuel pump, still no pressure The green/white wire which brings power to the fuel pump module was broken. now i have no power to fuel pump. (Note* - if one owns a W211 E55 AMG, this is not the fuel pump relay, it is the heat exchanger cooling pump relay. There is nothing special about a fuel pump relay. Re-install the fuel pump assembly with the new fuel pump. Location Dayton Ohio Area Posts 5,272. I've checked the continuity of those ground wires and they all seem good. Location Madison, WI Posts 7,001 1999 Formula WS6 M6-sold 2001 Silverado Z71. Ground: Grounds can be classified as either clean or dirty grounds. As with any electrical troubleshooting, it is best to check the fuse and all wiring connections are clean, tight and free of corrosion. Where is the ground wire located at for the fuel pump. If the fuse is blown, it will be broken or burned. Lawn Equipment Rentals. Ok, I looking at a diagram and fuse #8 (20AMP) should be the feed to Fuel Pump relay, a red-white (RD-WT) wire( #30 at relay), from the relay to the pump it will be Dark Green-Black (DG-BK) #87 at relay. Order Fuel Pump Relay for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. switched out relay good 3. The tools and supplies needed include 1/8" and 1/4" flat-blade screwdrivers, wire cutter and crimping tool, 12-mm socket and socket wrench with a 3" extension, electrical tape, about 3" of 16 or 18 gauge insulated. See all 41 photos Coming off of the fuel computer harness are these three wires, which connect to the fuel pump. as the teeth of the tone wheel align the coil of wire around. The bottom of the pump is secured to the bottom of the tank by a bayonet style mount. Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2008-2010 Dodge Charger. Two things can interfere with fuel pump startup—the fuel pump relay or the inertia switch. FUEL INJECTOR FUEL PUMP IGN, VSS DATA 2. P1233 Fuel Pump Driver Module off-line Fix code P1233 Fuel Pump Driver Module off-line – Ford. So the wiring method used does not have to comply with any special requirements in the articles 500 - 516. The fuel pump circuit is somewhat involved, the EVTM I described has the diagram for it. (Note* - if one owns a W211 E55 AMG, this is not the fuel pump relay, it is the heat exchanger cooling pump relay. Plug the electrical connector back in. Other owners have reported. A fuel pump is a frequently (but not always) essential component on a car or other internal combustion engined device. After being parked for two days, the vehicle suddenly caught fire. 4-7 PSI, 35 GPH. Re: jeep wont start, no fuel pressure, changed fuel pump, still no pressure jeep wont start, no fuel pressure, changed fuel pump, still no pressure The green/white wire which brings power to the fuel pump module was broken. 9k points). A dual-fuel heat pump works in conjunction with a furnace. Fuel pump relay bypass tool allows you to energize and test the fuel pump. There is a seperate wire connected to the sender base (black) that is to be used as a ground. Pull back the black sleeving to expose the wiring leading back to the beige box as shown at right: Step 6. Lastly, connect a lead from the normally closed starting system to the (S) terminal of the oil switch. Electric Fuel Pump: How to Do It Right. Get Yours Today! We have the best products at the right price. I know that two are for the fuel guage, and at least two are for the fuel pump. The ignition or powertrain control module (PCM) usually controls the fuel pump relay. kudran, yes it can. A few days later my fuel problems started. 2000 s10 fuel pump gray lead wire not working. Fuel Pro Standard and Plus, 3950729 S for EXT) on WIF Probe. no ground for fuel pump detectedi used a test light for thiese tests a. The feed from the gauge is grounded through the variable resistor in the tank which causes the gauge needle to move. tested fuse good 2. I reverse the wires,the black normally ground wire goes to the positive post and the tan normally positive wire goes to the negative post acting as my hookup should be positive ground and nothing works. You need to put 12 volts at the prime connector and see if the power is now at the fuel pump connector at the tank. Refer to label on PDC cover for relay location.