Question about 1997 Chevrolet K1500

1 Answer

Fuel pump won't engage...getting 7 volts

1997 Checy 1500 4x4...I have replaced the fuel pump relay, fuel pump & sender harness...all of the fuses seem to be ok...still only gets 7 volts & tries to turn over but will not...please help.

Posted by on

  • 1 more comment 
  • jon103a Dec 31, 2008

    you say you have 7volts at the pump, you need to figure out why, you need to work back along the supply wire and find out where your go from 12volt to the 7 volts you have with your multi meter. also check the earth wire and use a good earth on your meter. always test the volts under load- ie pump running to get an accurate reading. jon

  • ChrisWH Jan 28, 2009

    2001 taurus fuel pump good, inertia switch good, fuel pump relay is new. fuel pump does not power at all times checked wiring all the way back to the steering collum. have also noticed that when the key is cycled several time the door locks lock and then unlock occasionallyh the fuel pump will then energize.

  • jon103a May 11, 2010

    just re-read and you say tries to turn over but wont, i take it you have good battery voltage. jon



1 Answer

  • Level 1:

    An expert who has achieved level 1.


    An expert that hasĀ over 10 points.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 7 Answers

Yeah they all sound the same, you have a short somewhere along the line thats affecting the fuel pump. If you've already done the harness, its probably somewhere else along the line. If your having problems with other systems check through them first, like the guy with the door locks too, probably means its shorting out through there. Pain in the **** with the test light and all, but cheaper than a new fuel pump and harness. Hope this helps.

Posted on Feb 11, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Having problem with 1998 Mercury Grand Marquis LS Fuel Pump. Only getting 6.58 volts at the pump. Suggestions?

Sounds like a bad connection between the two points.
It may be easier to run a new wire than to tear the harness and connectors apart.

Sep 28, 2012 | 1997 Mercury Grand Marquis

1 Answer

97 GMC Jimmy fuel pump won't come on

Should be a green-yellow wire from the relay to the pump. The pump is grounded thru a black wire in the harness.
The wire from the relay should be hot when the relay is engaged by the computer or if you jumper it.

Sep 05, 2012 | 1997 GMC Jimmy

1 Answer

I have 1986 Alfa Spider that won't start. Car has been sitting for a year. I replaced battery, fuel tank, fuel sender unit, both fuel pumps. I seems that the in tank pumps is not getting any po

Could be the main or fuel run relay located in the compartment under the luggage rack, passenger side, main relay also, fuse for the fuel relay 8amp. Electronic Control Unit is also located there.

Could be electrical, Hook up a timing light, three leads: Power, Ground, and one that goes around the wire to #1 cyl. Turn the engine over and see if there's firing. Note: u can check all 4 spark plugs this way.

Fuse lead goes to pin 30 of the fuel relay, u can jump 30 across to 57 and check for the pumps running, if not, change-I suggest both relays, main and fuel run relays. Both pumps get their 12v DC from the fuel run relay, both should be running when you switch ignition switch to on, then a tachymetric signal is fed from the coil to the relay to keep it running.

Jun 10, 2012 | 1986 Alfa Romeo Spider

1 Answer

No power to fuel pump i have checked the fuse an the relay both r good i have checked the wires from the tank to up under the hood what else should i do?

I understand from your problem you have no power to the pump, fuse or relay and have tested the power with either a test light or volt meter? If you have no power to any of these you will have to check the wiring to the power panel behind the relay. -------- If you haven't and are listening for the pump to run , you should double check the ground wire that's on the frame rail outside of the fuel tank = it's on the top of the rail and branches out from the wiring harness. It's hard to access, make sure the contact to the frame is very good and the ring terminal is clean as these tend to corrode. This is the only ground to the pump and sending unit. If after that if you still haven't power to the pump, you'll have to drop the tank to check the connections to the sender unit. If after that you still can't get it working, then you will have to replace the pump assembly.

Jan 27, 2011 | 1997 Chevrolet K1500

1 Answer

Fuel pump not coming on,installed new one, white plug that has a yellow wire has 5 volts and ground is ok the 2 wires in the center shows 0

The plug you are referring to is probably the fuel tank pressure sender not the fuel pump. It would be plugged into a black sensor about 2 inches long pushed into a rubber grommet on the fuel bung. The fuel pump connector would have more that 2 wires going to it. most likely a heavy purple wire would be the power to the pump. It has to have 12 volts to it to work. The sender may have 3 wires, 5 volts, ground, and sense. the pump connector would have 12 volts, ground and 5 volts for the fuel gauge sender down in the tank.
If the 12 volts is not there, check the fuel pump relay. it is usually up on the drivers side firewall.
With the key in the on position without starting the engine, you should have 12 volts to the pump for 3 seconds then it will click off. Without cranking the engine you should be able to locate the relay by the clicking sound.
There is also the obvious, like checking the fuel pump fuse.

Jan 11, 2011 | 2003 Chevrolet Avalanche

3 Answers

It seems i am not getting any power to fuel pump, replaced pump still no power dont hear pump turn on at key on position check relays but not sure on good or not

Replace the oil pressure switch for the third wire on that sends 12 volts to the fuel pump upon turning the ignition key on to prime. Once oil pressure is achived the computer shuts that circuit off and turns on the fuel pump relay to power the pump till you shut off the engine

Jul 13, 2010 | 1997 Chevrolet S-10 Pickup

1 Answer

On my 1994 plymouth voyager the 3 wire harness to fuel pump (blue wire) doesn't have 12 volts; should it? fuel pump quit then worked once when hot-wired with 12 volts. fuse and relay is good.

The wire should not be hot until the relay is triggered. The relay does not get triggered until the ignition key is turned on. It will run for 3-5 seconds or until the system pressure it at max.

Apr 26, 2009 | 1999 Plymouth Grand Voyager

2 Answers

I have a 97 maxima and dont get power to the fuel pump .

  • Under the lefthand side kickpanel there is a connector and harness. The fuel pump relay is under that kick panel and marked M6.

  • Below is the diagram for the fuel pump fuse.


  • Make sure to check the harness for continuity as well.

  • Hope this helps.


Apr 23, 2009 | 1997 Nissan Maxima

2 Answers

Fuel Pump will not run

I think you have a bad fuel pump relay. The contacts on the relay have burned. thats why you have 13 volts when check it with a meter, but no pump. when you put a load on the circuit you have a voltage drop because the contacts in the fuel pump relay won't let enough current flow. Either that or you have a bad ground to your fuel pump. has all the wiring diagrams you need to diagnose this problem. good luck

Jan 10, 2009 | 1995 Lincoln Continental

Not finding what you are looking for?
1997 Chevrolet K1500 Logo

Related Topics:

103 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts


Level 3 Expert

78010 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides