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Installing a fuel pump and i need to know the color of the power wire

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  • MechxD
    MechxD May 25, 2011

    year -make and model?

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  • Chevrolet Master
  • 5,332 Answers

A year, make, model and engine size would help.

Most late model GM cars it will be the grey or larger grey wire that supplies power to the pump and the purple wire that supplies power to the level sensor.

Posted on May 25, 2011

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Posted on Jan 02, 2017

stormbrewin
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SOURCE: wire diagram and color code for fuel pump 2002 misubisji galant

buy a cheap test light/probe and use that at the fuel pump plug to check for power in that circuit.It could also be a relay thats at fault so check that for power in and power out,same test tool.There are not many wires at the pump plug but as long as only one has 12v its not a power supply problem.Does the car run at all?

Posted on Oct 19, 2008

  • 1 Answer

SOURCE: 2001 pontiac sunfire fuel pump wiring problem

I don't think its your fuel. Usualy we connected the kill switches to the ignition or power to the spark plugs. Just to make sure you can buy a can or 2 of brake clean thats what is call. you can buy it in autozone cragens or any autostore. When it does that problem that it doesn't want to start. remove the plastic hose that goes to your intake and spray a little while cranking(trying to start) if starts than your on the right track if it has no change you should start looking power for your spark plugs

Posted on Dec 10, 2008

mechanicm639
  • 253 Answers

SOURCE: 2001 Chevrolet Impala 3.8 fuel pump wiring diagram

The wires should be grey, orange and black, purple, and a black wire. The purple goes to purple, grey to gray. The orange and black goes to the small black wire on your car harness and the black goes to the bigger black.

Posted on Apr 30, 2009

  • 55 Answers

SOURCE: unsure of color of power wire near fuel tank that i for the fuel pump

It will be a gray wire larger than the others in the connector other than the ground wire which is black.

Posted on May 05, 2009

  • 218 Answers

SOURCE: 2000 grand am 3.4 fuel pump wires

IF U HAVE POWER ON GRAY WIRE AND GROUND ON THE BLACK WIRE THEN THE PUMP IS BAD.THE OTHER WIRES ARE FOR THE FUEL GAUGE SENDER

Posted on May 13, 2009

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2ea264c.jpg

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