Question about 2003 Chevrolet S-10

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Fuel pump is not getting power, pump is brand new, not sure what fuses, or where the ground is located.

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Hi....
Fuel PUMP fuse and relay is located in the Engine compartment
Fused block . Driver side. under the hood.
The Fuel pump relay Is labeled F/Pump.
And the Fuel Pump Fuse is labeled ECMB ( 20 amp.)
The ground for the fuel pump is located At left rear Frame rail.
Some times the Fuel pump harnes connector burn with the old pump.
Check the connector....

OK.. I hope this help on your question.
Thank you for use fixya..

Posted on Feb 03, 2010

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How do I locate the ground wire on a 03 ford f-150? the fuel pump has good presion and the sparks plugs are brand new but the engine wont start at all someone tell me its an electrical problem...help


If the pump has good pressure, I would make sure it had spark to the plugs. If you have individual coils for the plugs , I would go directly to the crank sensor. Having the codes read will point you in the right direction. But if you think it is a ground for the pump. find the wires for the pump, by the fuel tank, the black wire is the ground for the pump. Splice it and run it to the frame.

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80ser landcruiser 1fz4.5 got no power to fuel pump


Check fuses first. Then locate the fuel pump relay. Check power sources and ground circuit with a volt meter to make sure the relay is functional or swap in a new relay to check.

Oct 28, 2014 | Cars & Trucks

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My 02 jeep liberty isn't getting power to the fuel pump as well as my fuel Gauge doesn't work with the key o. Haven't been able to get it started in week now??? What could this be???????


Did you check all the fuses? Sounds like you have no power to the fuel pump if you worked on it recently, make sure there is no ground wire unhooked. Any ground wire could cause this problem. Locate the fuel pump relay. Switch it with a known good relay.

Sep 19, 2014 | 2002 Jeep Liberty

1 Answer

No power to fuel pump or pump fuse on a 1996 saturn sl1. whats up?


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.

The sencondary side (the side that provides power to the fuel pump fuse) of the fuel pump relay gets its power from the IP BATT Fuse (30 Amp) HOT AT ALL TIMES in the underhood fuse block.

This should be enough information to figure out why your fuel pump is not getting power. Let me know what you find.

Apr 14, 2012 | Saturn SL1 Cars & Trucks

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New fuel pump wont turn on had it working then it stopped also changed fuel pump fuse thought it was the ground wire on the gas tank to the frame changed that also. Tested the wires with a circet tester...


Hi, there should be a black wire with a white stripe that provides ground directly to the pump. If that wire is grounded to the frame and connected to the pump, you have ground. Not sure where it connects on the frame.
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May 26, 2011 | 1997 Chevrolet K1500

2 Answers

I replace the fuel pump on my 1992 ford bronco and still doesnt supply fuel is there a relay i dont know of


Are you getting battery power and ground at the fuel pump connector? (This should have been checked BEFORE replacing the pump)

Other things to check:
1. Fuel Pump relay in the Engine Compartment Fuse Block
2. The relay is powered (Secondary -or- "fuel pump side") by Fuse 0 in the Engine Compartment Fuse Block.
3. The relay Primary -or- "control" side is powered by Pin 37 RED wire at the PCM
4. The relay Primary control (or ground circuit) is operated by Pin 22 LIGHT BLUE/ORANGE wire at the PCM
5. The Inertia Fuel Shut-off Switch located between the fuel pump relay and the fuel pump may need to be reset. The switch is located behind the right kick panel. The DARK GREEN/YELLOW wire at the switch is the feed from the fuel pump relay. The other wire goes to the fuel pump. Some units have the DARK GREEN/YELLOW wire going in and the wire going out can also be DARK GREEN/YELLOW, or PINK, or ORANGE - the wiring diagram for your vehicle does not specify the color of the wire that actually goes to the fuel pump itself.)
6. If none of the above produce any results, make sure that your ground wire at the fuel pump has good continuity to ground. It usually screws to the left frame rail near the fuel tank.

Any of these components (including the PCM) or their connecting wires could be the cause of your problem.

May 15, 2011 | 1992 Ford Bronco

2 Answers

89 k-1500 chevy 305 got power to pump, pump is brand new but pump does nothing


I am assuming you mean Fuel Pump, if it is you need to check grounds , there is a small ground strap when you remove the tank that is needed to ground the harness, make sure that is tight, its a 13mm bolt with a star washer make sure it goes back in the same area.

also check to see that you are getting a signal on the signal wire when you are requesting it when you crank the vehicle. i think its a purple or grey wire MAKE sure you do not use a test like on the sending unit wires, get a wiring diagram for your system.

Aug 28, 2010 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

We put a new gas tank in and new fuel pump but now we are not getting any power to the fuel pump, what are the possible causes and how can they be rectified?


First. Make sure the ground from the pump is good.
Next. there is a fusable link wire(rust col.) at the starter solenoid. check if burn't. The link wire joins a red wire to a 20amp in line fuse. From the fuse is an
orange wire that go's to the fuel pump relay, located on the relay bracket under the hood right front corner.
Follow this trail and you should find the problem.
Hope this helps.

Mar 24, 2010 | 1992 Oldsmobile Cutlass Ciera

1 Answer

Fuel pump replacement


How to Replace a Fuel Pump

Parts:
1. Fuel Pump - $51.16

ff89027.jpg

DELPHI, ELECTRIC FUEL PUMP -- Meets Or Exceeds OEM Quality, Matches The Genuine Fit And Function

Tools:
1. 3/8 in. Drive Ratchet
2. Floor Jack
3. Multimeter
4. Jack Stand Set
5. Flat Head Screwdriver
6. Mallet Hammer
7. Socket Set

Steps:
Step 1 * Locate the fuel pump.
o Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.

Step 2 * Have a friend turn the key to the“ON” position while you listen for a high pitched hiss/whine coming from the electric fuel pump.
o Tip: If the fuel pump is located in the fuel tank, you can open the fuel cap and listen to hear the fuel pump. The fuel pump should run (priming the system with fuel) for a couple of seconds. Once it stops, you should be able to start the vehicle.

Step 3 * If the fuel pump does not make a sound (run and prime the fuel system) check to see if there is a fuse that supplies power to the fuel pump and check its location.
o Tip: Check the owner’s manual for location of the fuse box and fuel pump fuse.

Step 4 * Once you have found the location of the fuel pump fuse, remove the fuse from its housing and check to see if it is blown.
o Tip: A blown fuse will usually have a metal strip connecting both tabs that“blows out” (the wire looks as if it has been chopped in half or broken).

Step 5 * If you noticed that the fuse was blown, replace the fuse with a new fuse of the same amperage and repeat step 2.

Step 6 * If the fuel pump now works, you do not need to replace it. However, you will need to find what caused the fuel pump fuse to blow. We strongly recommend that this is done through a certified shop, unless you have the tools and knowledge to test electrical systems and diagnose more in depth problems.

Step 7 * If the fuse wasn’t blown, it should be checked for power and ground at the fuel pump. If there is power and ground present then you will need to replace the fuel pump.
o Tip: On most vehicles you may need to lower the fuel tank to access the power and ground leads for the fuel pump.

Step 8 * Siphon or drain as much fuel as possible from the fuel tank. Disconnect any possible fuel lines from the fuel tank.

Step 9 * Remove any retaining straps or bolts holding the fuel tank to the frame.
o Tip: You may be able to access the fuel pump from the bottom of the back seat or the trunk of the vehicle.

Step 10 * Using a digital multi meter, turn the key to the“ON” position and check for power at the fuel pump. Touch the negative lead from the DMM to a good ground and the positive lead of the DMM to the power cable at the fuel pump. You should have a reading that is equal to battery power. If you do not have a reading at all, you will need to inspect the power side of the fuel pump.
o Tip: With the ground lead of the DMM still connected to a good ground, touch the power lead to the positive side of the battery, to each side of the fuse, and again to the fuel pump. Wherever you notice the voltage reading goes from battery voltage to 0 you will need to replace whatever wires and fuse are in between.

Step 11 * If you have noticed that the power and ground being supplied to the fuel pump are both good, then you will need to replace the fuel pump.
o Tip: To check for a good ground, place the negative lead from the DMM to the ground side of the fuel pump, and the positive lead of the DMM to the positive side of the battery. If the reading on the DMM is battery voltage then you have a good ground.

Step 12 * Remove any retaining rings or bolts that hold the fuel pump in the fuel tank.

Step 13 * Remove any electrical connections or fuel lines connected to the fuel pump. Replace the fuel pump.
o Tip: If equipped, inspect and replace strainer as needed.

Step 14 * Use reverse procedure to install fuel pump and assemble all components back to their original state.

Step 15 * Start the vehicle to verify repairs.


Good job (remember rated and comment this help).

Mar 03, 2010 | 1997 Nissan Pathfinder

1 Answer

Replaceing fuel pump


How to Replace a Fuel Pump
DIY & Save up to $219.24 (Complexity: Hard / Time: 3.2 hours)

Parts:
1. Fuel Pump - $140.07

Tools:
1. 3/8 in. Drive Ratchet - $7.55
2. Floor Jack - $145.54
3. Multimeter - $247.13
4. Jack Stand Set - $36.93
5. Flat Head Screwdriver - $3.14
6. Mallet Hammer - $6.83
7. Socket Set

Steps:
1 Locate the fuel pump.
- Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.
2 Have a friend turn the key to the“ON” position while you listen for a high pitched hiss/whine coming from the electric fuel pump.
- Tip: If the fuel pump is located in the fuel tank, you can open the fuel cap and listen to hear the fuel pump. The fuel pump should run (priming the system with fuel) for a couple of seconds. Once it stops, you should be able to start the vehicle.
3 If the fuel pump does not make a sound (run and prime the fuel system) check to see if there is a fuse that supplies power to the fuel pump and check its location.
- Tip: Check the owner’s manual for location of the fuse box and fuel pump fuse.

4 Once you have found the location of the fuel pump fuse, remove the fuse from its housing and check to see if it is blown.
- Tip: A blown fuse will usually have a metal strip connecting both tabs that“blows out” (the wire looks as if it has been chopped in half or broken).

5 If you noticed that the fuse was blown, replace the fuse with a new fuse of the same amperage and repeat step 2.
6 If the fuel pump now works, you do not need to replace it. However, you will need to find what caused the fuel pump fuse to blow. We strongly recommend that this is done through a certified shop, unless you have the tools and knowledge to test electrical systems and diagnose more in depth problems.
7 If the fuse wasn’t blown, it should be checked for power and ground at the fuel pump. If there is power and ground present then you will need to replace the fuel pump.
- Tip: On most vehicles you may need to lower the fuel tank to access the power and ground leads for the fuel pump.

8 Siphon or drain as much fuel as possible from the fuel tank. Disconnect any possible fuel lines from the fuel tank.
9 Remove any retaining straps or bolts holding the fuel tank to the frame.
- Tip: You may be able to access the fuel pump from the bottom of the back seat or the trunk of the vehicle.

10 Using a digital multi meter, turn the key to the“ON” position and check for power at the fuel pump. Touch the negative lead from the DMM to a good ground and the positive lead of the DMM to the power cable at the fuel pump. You should have a reading that is equal to battery power. If you do not have a reading at all, you will need to inspect the power side of the fuel pump.
- Tip: With the ground lead of the DMM still connected to a good ground, touch the power lead to the positive side of the battery, to each side of the fuse, and again to the fuel pump. Wherever you notice the voltage reading goes from battery voltage to 0 you will need to replace whatever wires and fuse are in between.

11 If you have noticed that the power and ground being supplied to the fuel pump are both good, then you will need to replace the fuel pump.
- Tip: To check for a good ground, place the negative lead from the DMM to the ground side of the fuel pump, and the positive lead of the DMM to the positive side of the battery. If the reading on the DMM is battery voltage then you have a good ground.

12 Remove any retaining rings or bolts that hold the fuel pump in the fuel tank.
13 Remove any electrical connections or fuel lines connected to the fuel pump. Replace the fuel pump.
- Tip: If equipped, inspect and replace strainer as needed.

14 Use reverse procedure to install fuel pump and assemble all components back to their original state.
15 Start the vehicle to verify repairs.

Hope helps with this (remember rated this help) Good luck.

Feb 09, 2010 | 2001 Chevrolet Silverado 1500

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