Gmc sierra fuel pump relay location

53075 posts · Joined 2005. #3 · Mar 27, 2008. Not on GMs. GM cars and trucks use a oil pressure cut off relay to disable the fuel pump. If the vehicle is involved in a crash, this cuts power to the fuel pump when it senses no oil pressure. - 2002 GMC Sierra Denali Quadrasteer 6.0L AWD, 4.10s, K&N FIPK, Blackbear, Dumped Magnaflow, Goodmark ...

A lot of things can cause a pump to go bad, like getting a tank of bad gas. However, GM's pumps have a reputation for going bad. If the pump is running, test the fuel pressure. if it is low, it could be a fuel pressure regulator that is bad. The pump doesn't run at all. 0 fuel pressure.Feb 12, 2012 · Where is the fuel pump relay located on a 2008 GMC Sierra EXT cab 4x4 with a 4.8 liter engine? Submitted: 12 years ago. Category: GM. Show More. Show Less. The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle. GMC Sierra – fuse box – engine compartment. Micro J-Case Fuses. Usage. 1. Trailer Brake. 2. Trailer Battery. J-Case Fuses.The underhood fuse block is located in the engine compartment, on the driver's side of the vehicle. GMC Sierra - fuse box - engine compartment. Fuses. Usage. 1. Right Trailer Stop/Turn Lamp. 2. Electronic Stability Suspension Control, Automatic Level Control Exhaust. 3.Are you tired of constantly paying high prices at the pump? With fuel costs on the rise, it’s essential to find ways to save money on gas. One effective strategy is to locate the c...GMC,Chevy fuel pump,

Whether you’re a long-haul truck driver or a daily commuter, finding the cheapest diesel fuel near your location can help you save a significant amount of money. With fuel prices f...On a 2002 Nissan Xterra, the fuel pump relay can be found under the dash on the driver's side near the data link and fuses. Repairing old vehicles can be fun, and it can also save you a ton of money. Of course, you need to know what you're doing. Start by finding the right car to repair or restore. This means learning about the car's ...2002 GMC Sierra fuse box diagram. The 2002 GMC Sierra has 3 different fuse boxes: ... Fuel Pump (Relay) Fuse MINI . 02 A. Oxygen Sensors [Gasoline Engine] Fuse MINI . 02 B. Oxygen Sensors [Gasoline Engine] Fuse MINI . LR PRK. Left Rear Parking Lamps. Fuse MINI . RR DEFOG. Rear Window Defogger, Heated Mirrors.SOURCE: fuel pump fuse located on 1997 gmc sierra. The fuse is actually a Relay Switch and its located in the Fuse Relay Center on the driverside of the engine compartment. The Black Box is labled Fuse Relay Center, the diagram on the cap displays which Relay is the Fuel Pump relay...the Relay switch is usually $8-$15 depending on where you ...with key on, no 2second power to fuel pump fuse thru fuel pump relay. there's only 6 volts going to the green/white stripe wire to FSCM plug. all fuses checked. jumped relay and get power to fuse but still no start up. truck cranks strong, battery getting weak from over use, but have a large charging unit to help with that for now. no damage ... Hybrid Auxiliary Engine Compartment Fuse Block. The fuse block is located in the engine compartment near the front of the vehicle. Fuse box diagram (fuse layout), location and assignment of fuses and relays Chevrolet Silverado, GMC Sierra 1500, 2500HD, 3500HD (2007-2013). 1406 posts · Joined 2015. #5 · Dec 6, 2023. Maybe unlatch and remove the fuse panel (those levers on each end unlatch, rotate and push up the panel with all the fuses/relays, so you can see the connectors underneath, to see if that have been any modifications there. 2004 Sierra 3500 SLE Extended Cab&Chassis, DRW, 2WD, 6.0L Gas->upgraded to 4WD.DMAIR. MEMBER. 1998 GMC SIERRA. V8. 4WD. AUTOMATIC. 200,000 MILES. I have to remove the fuel pump relay and bypass it to get the fuel pump running. Once the truck starts I can replace the relay and drive.

James B. January 22, 2021. The 2003 Chevy Silverado fuel pump reset switch location is on the toe-board, to the right of the transmission hump, in the passenger-side footwell. Having the fuel burn optimally is crucial to maximizing Your miles per gallon. Your gas tank needs to be in the best of shape. You will come into problems at some point ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Start somewhere, like say, the fuse box, make sure there is 12.x V there, then follow the wire to it's next connector and test the voltage there, repeat until you get to the fuel pump or you get less than 12.x V. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd.Remember: There is nothing in the fuse box marked [Fuel Pump] location. Because you have a ECM electronic control module. You only have a yellow 20 Amp fuse in the upper far right corner of the fuse box panel under the hood. Extra tip: replace your oil pressure switch. It way in the back of the motor.

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The relay should have 4 pins on it. They are usually labeled 30, 85, 86, and 87. Steps: 1. Wire pin 85 of the relay to the 12v supply wire from the stock ECU that you just cut. This 12v wire will now energize the relay to turn on. So now instead of the stock ecu energizing the fuel pump, it will energize this relay. 2.The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel. GMC Sierra – fuse box – instrument panel. Fuses. Usage. REAR SEAT. Rear Seats. AUX PWR2. Rear Accessory Power Outlet. SWC BKLT.Step 1: Choose a nice spot to pull your car up. You might use a flo o r jack for convenience. You also need to find a location for an inertia switch that is hidden and within reach. Step 2: Make way for wires to run from the switch to underneath your automobile by creating a minimal hole in the car's floor.Is your Fuel Pump not working ? In your GMC Yukon? Before you buy Fuel Pump Check the Fuel Pump Relay. Are you asking yourself Where is my Fuel Pump Relay ?...NOTE: The illustrations and info in this page apply only to 1994 Chevrolet/GMC pickups with a 4.3L, 5.0L or a 5.7L engine. For the 1993 fuel pump wiring diagram, check out the following article: 1993 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L). Fuel Pump Relay Diagnostic/Troubleshooting Notes: FP relay terminal A (ORG wire):

98-02 full size chevy gmc truck & van passlock; 98-99 chevy astro gmc safari passlock; 93-99 gm car passkey ... to pin47 (gy fuel pump 12+) this will power the pump to run and check for a faulty fuel pump. 3. next, check for fuel pump signal at the fuel system control module. ... fuel line pressure signal na fp relay control -primary na ign 1 ...FUSE BOX LOCATION ON A 1993 1994 1995 1996 1997 1998 1999 2000 GMC SIERRAPLEASE SUBSCRIBE!!!#GMC #GMCSIERRA #GMCFUSEBOXLOCATIONWHERE DO I FIND THE FUSE ON A GMCeallanboggs Discussion starter. 28 posts · Joined 2009. #1 · Jul 19, 2009. Installing a Meziere electric water pump on my 09 Silverado. Using a 40A relay to provide 12Vdc to the pump. Want to trigger the relay off of the fuel pump relay. Looked under the hood at the FUSE/RELAY panel. Found the location for the relay, but the relay socket is ...Sarah Gray · Updated on Mar 20, 2023. Reviewed by Shannon Martin, Licensed Insurance Agent. You're right that the fuel pump relay is located in a fuse box, but the 2009 GMC Acadia's fuel pump relay is located in the engine compartment fuse box. A faulty fuel pump relay can often cause your engine to stall, and could even lead to a complete ...Fuel Pump (Relay) O2 A: Oxygen Sensors: FUEL HT: Fuel Heater, Glow Plug and Intake Heater Controls: O2 B: Oxygen Sensors: LR PRK: Left Rear Parking Lamps: RR DEFOG: Rear Window Defogger, Heated Mirors: HDLP: Headlamps (Relay) TRL PRK: Parking Lamps Trailer Wiring: RT HDLP: Right Headlamps: DRL: Daytime Running Lamps (Relay) HTD MIR: Heated ...It's understandable that your dad can't remember where the fuel pump relay is, because on the 1994 GMC Jimmy, it's in somewhat of an unusual spot— underneath a panel on the left side of the glovebox. The fuel pump relay is usually found in three common locations. If you're ever searching it out on another car, check these spots: When ...May 2, 2022 · When you replaced the fuel pump, fuel pump fuse, checked the wiring. There is one thing left to check Tank & mounting. 6.0L. Fuel components 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $7.20. $4.57. Add to Cart. 7. Fuel Pump Module without Fuel Level Sensor, with Seal. 13510918.GMC,Chevy fuel pump,On a 1991 S10 with 4.3L engine, the square plastic fuel pump relay and the A.C. relay is located on the driver's side (LH) of the firewall behind the power brake booster. There are two identical relays at that location and the one on the passenger side (RH) is the fuel pump relay . They may or may not be in the same location on your 1994 S10 ...Where is the Fuel pump fuse located in a 1995 GMC 1500 Sierra? on opposite side of fuel pump relay .there the relay and fusible link then at the end there is a small block it contains the fuse 20 amp Read full answer. Aug 15, 2012 • 1995 GMC Sierra C1500. 2 helpful. 1 answer.

18259 posts · Joined 2008. #5 · Jul 14, 2014. The Duramax does NOT have a factory fuel pump. It shows a relay because GM uses the same fuse box for the gas engine trucks. The Duramax uses the injection pump- [CP3] to draw fuel through all the lines, and fuel filter, so a small leak can allow air. The CP3 [mechanical] does not use a fuse/relay.

The fuel pump fuse gets its power from the fuel pump relay, which is located in the Instrument Panel Junction Block. The fuel pump relay gets its ground from G102, which is located just forward of the left strut tower. The fuel pump relay gets its power from the Powertrain Control Module Connector "C" Pin 10 ( DARK GREEN/ WHITE wire) for the primary side of the relay.Relay sierra gmc pump fuel 1500 where location2007 gmc sierra siphon gas fuel tank pump relay drain chevy 2010 do remove ways only other Relay tahoe suburban chevroletforumRelay pump fuel gmc location 1991 chevy where blazer citroen located jimmy 1994 fixya picasso cpi find xara gif pickup.Shop for the best Fuel Pump Relay for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. ... Import Direct Ignition 22 Amp 4 Terminal Multi-Purpose Relay - 25-0124. Part #: 25-0124 Line: IDI. Limited Lifetime Warranty. Terminal Type: Blade ...The 1998 GMC Sierra has 2 different fuse boxes: Instrument Panel Fuse Block diagram. Underhood Fuse/Relay Center diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Instrument Panel Fuse Block. Type.Chevrolet. Silverado 1500. 2020. The Chevrolet Silverado truck has a fuel pump reset switch that can be found on the toe board of the vehicle. This is somewhat easy to locate. The first thing You will need to do is go to the front of Your vehicle, and open the hood. Using the prop arm on the left side of the hood, You can hold the hood firmly ...The fuse that is blowing is the one that operates the relay, not the pump circuit. Again, without looking, there are two posibilities: - power goes to the ECM and gets switched back to relay, or, - the relay always has power (key on) and the ECM switches the ground. Ray. '09 Avalanche LTZ - 5.3 - 4x4 - Black. E.The fuel pump relay located in the fuse box is susceptible to electrical power surges. Surges will go directly to the fuse box and will result in blowing a fuse. Or in this case, a burnt fuel pump relay. This can happen for various reasons, such as the fuel pump drawing too much amperage. However, this issue can easily be identified with a ...53075 posts · Joined 2005. #3 · Mar 27, 2008. Not on GMs. GM cars and trucks use a oil pressure cut off relay to disable the fuel pump. If the vehicle is involved in a crash, this cuts power to the fuel pump when it senses no oil pressure. - 2002 GMC Sierra Denali Quadrasteer 6.0L AWD, 4.10s, K&N FIPK, Blackbear, Dumped Magnaflow, …SOURCE: where is fuel pump relay located on 1996 gmc. I have a 1996 sonoma the fuel pump relay is in the dash take cover off .There is three relays the one to your left is the pump relay! They are all three the same so you can switch them .You can check the relay by switching it with one of the relay to your right.Just bought one $9.95 AUTO-ZONE31 posts · Joined 2020. #1 · Mar 20, 2020. I just recently purchased a 1990 Chevy 2500 single cab long bed with the 350 tbi that has been D.O.T inspected until 2018 in MN. The issue - it has a fuel delivery problem and the previous owner was fairly certain that it needed a fuel pump and I wasnt surprised cuz ive had to do that with past 90s ...

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The 2009 GMC Sierra has 3 different fuse boxes: Instrument Panel Fuse Block diagram. Center Instrument Panel Fuse Block diagram. Underhood Fuse Block diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Instrument Panel Fuse Block. Type.The 2008 Nissan Titan fuel pump relay location is on the right rear side of the engine compartment near the intelligent power distribution module (IPDM). ... SAE 75W-85 API GL-5 synthetic gear lubricant is considered the best for a 2015 GMC Sierra 1500, and here's what you need to know about how to replace it. Natalie Todoroff.gmc sierra 1500 fuel pump relay location 2 Answers. where is the fuel pump relay on a 2008 sierra 1500 c/cab 4x4. 2008 GMC Sierra 1500-Maintenance & Repair. 2010 GMC Sierra crew cab 4x4 Z71 - low oil pressure 4 Answers.Jun 28, 2014 · Having fuel pump problems, and I have replaced the pump but have no power to it. this is a 1997, 4.3 gmc Sonoma pickup ext cab. I have power to the #9 fuse in the fuse compartment, but I cannot seem to locate the fuel pump relay. Have looked in the glove box, nothing,under dash near radio,nothing. HOW TO TEST FUEL PUMP ON CHEVY, CHEVROLET, GMC, BUICK, CADILLAC CAR NTO STARTING Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store for...Where is the relay for the fuel pump on a 95 GMC g2500 3/4 ton cargo van 350 5.7L engine - Answered by a verified GMC Mechanic ... I have a 1990 GMC Sierra 5.7 350 manual trans c1500 can you tell me if my trans is a 1/2 ton or 3/4 ton the number on the trans is gm8672305 the 1/2 ton clutch kit doesnt work on it and it looks diffe ...Fuse box diagram (location and assignment of electrical fuses and relays) for GMC Sierra (mk4; 2014, 2015, 2016, 2017, 2018)PRICE: 10.49. $1049. Free In-Store Pick Up. SELECT STORE. Home Delivery. Not Available. Add TO CART. 2015 GMC Sierra 1500 Fuel Pump Relay 2017 GMC Sierra 1500 Fuel Pump Relay. Equip cars, trucks & SUVs with 2016 GMC Sierra 1500 Fuel Pump Relay from AutoZone.The relay should have 4 pins on it. They are usually labeled 30, 85, 86, and 87. Steps: 1. Wire pin 85 of the relay to the 12v supply wire from the stock ECU that you just cut. This 12v wire will now energize the relay to turn on. So now instead of the stock ecu energizing the fuel pump, it will energize this relay. 2.Equip cars, trucks & SUVs with 2000 GMC Sierra 1500 Fuel Pump Relay from AutoZone. Get Yours Today! We have the best products at the right price. skip to main content. 20% off orders over $100* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code: SPRING2024. Menu ... ….

Instrument Panel Wiring Harness Junction Block. 84497659. GM. Fuse & Relay Box. Instrument panel, passenger side, without auto stop-go, 1st design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $123.48. $78.14. Add to Cart.2006 GMC 2500 fuel pump relay problem. In my GMC 2500 vortex.also replaced fuel pump relay.had to slightly bend relay prongs to make contact. Before replacing the relay we had fuel pump working intermediately. Now-january 2022 I have no fuel pressure on fuel pressure gauge. Had a helper turn key on,I could hear and feel …GMC Sierra 2018 Fuses, Relays. GMC Sierra 2018 Fuse Box Layout. Fuse Box Information | GMC Sierra 2018. GMC Sierra 2018 Fuse Box Diagram. GMC Sierra 2018 Fuses, Relays. GMC Sierra 2018 Fuse Box Layout. ... Passenger compartment fuse box location: ... Fuel Pump: 19: Integrated Chassis Control Module: 20: Electronic Suspension Control …6 posts · Joined 2013. #1 · Jul 16, 2013. Hi all. I have a 2002 chevy silverad 2500hd and im having an electrical problem with the fuel pump relay. I will be driving along and all of a sudden truck shuts off and fuel gauge will go to empty. Then if I leave key in start position (like its running) and tap on fuel relay under hood the fuel ...gmc sierra 1500 fuel pump relay location 2 Answers. where is the fuel pump relay on a 2008 sierra 1500 c/cab 4x4. 2008 GMC Sierra 1500-Maintenance & Repair. 2010 GMC Sierra crew cab 4x4 Z71 - low oil pressure 4 Answers.I have a 2002 gmc sierra 1500 with a 4.8l vortec. The other day my truck suddenly wasnt getting fuel and wouldnt start. Stopped and thought bout it and 5 minutes later it started. Drove it home 2 hours and then no more start. I changed the fuel pump with one out of a parts truck and nothing.I need the location of the fuel pump relay for a 1992 GMC Topkick/kodiak gas 366 motor fuel pump relay location - GMC K1500 question. Search Fixya. Browse Categories ... 1993 GMC Sierra K1500. Firing order for 1999 GMC. GMC K1500 Cars & Trucks. Lights will not turn on. 1986 GMC K1500. 6.5 Diesel Thermostat Housing Bolt.Fuel pump diagram wiring chevy gmc gm 1999 truck pressure oil silverado 1994 2000 connector location 1998 intank serria powerI have a 1990 gmc 1500: here is the problem: i have no power at the ecm 1993 chevy 1500 fuel pump wiring diagram1990 gmc sierra fuel pump wiring diagram. GMC Fuel Pump & Relay Q&A | JustAnswer. Check Details. Fuel pump ... Gmc sierra fuel pump relay location, Amazon Affiliate Link to Fuel Pump Assembly with Pump and Sending Unit: https://amzn.to/2IJMwoAHow to change a fuel pump on a Chevy or GMC Suburban. 1992 thr..., The fuel pump relay doesn't click there is no juice going threw the 12v fuel pump fuse. If I run a hot 12v to the fuse then the pump runs and truck runs. I even had the truck running and unplugged the fuel pump and it still runs. ... 1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 6-800,000 miles on ..., MEMBER. 2002 GMC C1500. 240,000 MILES. I thought that my fuel pump went out but after removing the bed I discovered that I do not have power at the plug fior the fuel pump. I checked all connections and they are fine. I only have power on one leg of the relay. The relay has been changed so it should be good, fuses are good., Jan 27, 2016 · How to test and replace a fuel pump relay. The principles shown here apply to most vehicles. However, it's best to check with your vehicle's repair manual fo... , 1990 GMC SIERRA. V8. 4WD. AUTOMATIC. 173,000 MILES. HI, My truck wouldn't start and I didn't hear the fuel pump run, so I replaced it. I tested the old one and it worked. Truck would not start after replacing the pump & I tested the new one before installing it & it worked. I wired the pump with a fused & switched wire and the truck runs, but ..., On average, the cost for a GMC Sierra 1500 Classic Fuel Pump Relay Replacement is $115 with $20 for parts and $95 for labor. Prices may vary depending on your location. Car Service Estimate Shop/Dealer Price; 2007 GMC Sierra 1500 Classic V8-5.3L Hybrid: Service type Fuel Pump Relay Replacement:, A faulty relay may allow the vehicle to be restarted a short while later, while a completely failed relay will not. 2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned ..., RayVoy. 19163 posts · Joined 2012. #2 · Jun 28, 2014. The relay is in the "Relay Center" inside the glove box (it's behind an access cover). It should be the relay closest to the driver. However, your problem s probably the fuel pump. Every S10/S15/T10/T15 that I have owned had bad fuel pumps., Dec 18, 2007 · Here is a schematic of your fuel pump wiring: You can try unplugging the fuel pump relay and putting 12V to the GRAY wire and see if it comes on. GMTechBernard. Category: Chevy. Satisfied Customers: Experience: GMTechBernard and 87 other Chevy Specialists are ready to help you. Ask your own question now. GMTechBernard. , Don't forget to check the ground for the fuel pump. If the pump has a good ground, and is getting power, and still doesn't run, then the pump itself is almost certainly bad. If the pump doesn't have a good ground or is not getting power, locate and repair the break in the wiring. '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB., Make sure the ground terminals to the chasis are tight and clean. Try checking w/test light. Good Luck!! Don't forget to rate this post.!! Posted on Sep 03, 2010. john h. 29304 Answers. SOURCE: 1997 Gmc Sierra fuel pump relay has no power. check fuse and fuse panel connections., The Fuel System Control Module runs the pump and fuse 21 is the FSCM fuse, if I’m not mistaken. I helped my brother diagnose an issue with his 2013 suburban a while back and had the same mystery of the missing fuel pump fuse., 3 posts · Joined 2017. #1 · Jan 21, 2017. My 1988 c2500 has no power to the 'small' connector on the starter. I have replaced the battery and the starter. The old starter exhibited the same 'no crank' systems as this new starter. The ignition switch seems to be ok as it 'dims' the dash lights, etc. I believe the next step is to check/replace ..., Anonymous. SOURCE: fuel pump fuse located on 1997 gmc sierra. The fuse is actually a Relay Switch and its located in the Fuse Relay Center on the driverside of the engine compartment. The Black Box is labled Fuse Relay Center, the diagram on the cap displays which Relay is the Fuel Pump relay...the Relay switch is usually $8-$15 depending on ..., Hello & welcome, Here is the location of the fuel pump relay. This is the right-hand rear of the engine compartment. I will check and see if I can find a fuse in the circuit. Thanks, XXXXX. Hi again, I found two …, It’s the Engine Control Moule (ECM). When the fuel pump relay doesn’t get power from the ECM, the fuel pump cannot supply fuel to the engine and the car won’t start. 1. Loose Connections. The fuel pump relay not engaging issue is often caused by loose connections in your car. If the fuel pump relay itself is loose or one of its battery ..., Yes, the VIN code is part of the VIN#. Have him spray carburetor cleaner into the air intake and see if that keeps the engine running. If so, he has a fuel delivery issue. No matter which engine (VIN code) it is, the fuel pump relay is located in or near the main relay/fuse/junction box. The code basically tells us which location in the box it is., SOURCE: fuel pump fuse located on 1997 gmc sierra. The fuse is actually a Relay Switch and its located in the Fuse Relay Center on the driverside of the engine compartment. The Black Box is labled Fuse Relay Center, the diagram on the cap displays which Relay is the Fuel Pump relay...the Relay switch is usually $8-$15 depending on where you ..., W107 Fuel Pump Relay Location. The fuel pump relay on a W107 is located in the engine compartment fuse box. The engine compartment fuse box is usually located near the battery or on the driver’s side of the engine bay. The fuel pump relay is labeled as relay number 5 in the fuse box. Location of Fuel Pump Relay on 2012 Jeep …, I pulled the 4.3 V6 out of this $500 truck and put in a completely rebuilt 5.7 V8. Picked up a TBI (46mm TBI Kit, 55lb Injectors, 18lb Spring), put in a bran..., 98-02 full size chevy gmc truck & van passlock; 98-99 chevy astro gmc safari passlock; 93-99 gm car passkey ... to pin47 (gy fuel pump 12+) this will power the pump to run and check for a faulty fuel pump. 3. next, check for fuel pump signal at the fuel system control module. ... fuel line pressure signal na fp relay control -primary na ign 1 ..., On our 96 GMC Sierra, 5.0, 350 There is a red wire located in the middle of the top set of wires on our fuel pump relay switch that was dissconnected, … read more. tony. High School or GED. 166 satisfied customers. Show more., 8.1L fuel pump help!! Hey all. I have a 01 3500 cab and chassis with an 8.1 L with dual tanks. Fuel gauge quit working on me a while back along with it quit transferring fuel from rear auxiliary tank. Replaced pump and sending unit today along with relay by the fuse block on front wheel well. Still no gauge or transferring fuel!, Typical Fuel Pump. When determining if your GMC Sierra's fuel pump is going bad, there are a few common symptoms to look out for. Here, we'll discuss three key indicators that your fuel pump might be failing. 1. Whining Noise. The sound clip above is a fuel pump priming. After it has primed, you may hear a high-pitched whining noise, which ..., The gas engine models appear to have a fuel pump control and a fuel pump. The electrical manual - GM UPFITTER - Body Builder Manuals - does show a pin on the ECM having an output to the fuse and relay on circuit 465 for fuel pump relay control, but no mention of circuit 465 anywhere else. However, it shows this location on the truck also - see ..., The fuel pump didnt sound good from the beginning. So I replaced the new pump with another one. This one didnt work at all. Pump was returned for a refund and pump three was bought at another store. I checked the wiring to the fuel pump, and power would come on and off with the switch. The center wire came on and off with the switch when testing., Troubleshooting The Fuel Pump (GM 4.3L, 5.0L, 5.7L). Symptoms Of A Bad Fuel Pump. A bad fuel pump will make your 4.3L, 5.0L, or 5.7L throttle body fuel-injected pickup or SUV crank but not start. Here are some more specific symptoms: The ignition system is creating and delivering spark to the spark plugs., The Fuel pump relay is on PDF page 172 Grid point K55. You'll usually find this relay on the engine bay side of the firewall between the heater or AC box and the transmission tunnel. This relay should get power from the ECM on the Green/White wire and it's coil switch power from the ECM on the Orange wire., Four Wheel Drive. 25. DRL. Daytime Running Lights. 15. WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. GMC, Sierra electricity. GMC Sierra mk1 (1993 - 1994) - fuse box diagram., 2000 GMC Sierra fuse box diagram. The 2000 GMC Sierra has 3 different fuse boxes: ... Fuel Pump (Relay) Fuse MINI . 02 A. Oxygen Sensors [Gasoline Engine] Fuse MINI . 02 B. Oxygen Sensors [Gasoline Engine] Fuse MINI . LR PRK. Left Rear Parking Lamps. Fuse MINI . RR DEFOG. Rear Window Defogger, Heated Mirrors., FUSE BOX LOCATION ON A 1993 1994 1995 1996 1997 1998 1999 2000 GMC SIERRAPLEASE SUBSCRIBE!!!#GMC #GMCSIERRA #GMCFUSEBOXLOCATIONWHERE DO I FIND THE FUSE ON A GMC, Underhood Fuse Block. The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery. *1 — Gasoline Engine and Diesel Engine. *2 — Gasoline Engine; ECMRPV — Diesel Engine. *3 — Gasoline Engine; FUEL HT — Diesel Engine. *4 — Gasoline Engine; ECM I — Diesel Engine. Auxiliary Power (Single ..., Duralast Relay 19265. $1999. Part # 19265. SKU # 221854. Limited-Lifetime Warranty. Checkif this fits your GMC C6500 Topkick. 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