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Gmc topkick wiring diagram

No power to fule pump

Posted by Anonymous on

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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johnny5846
  • 379 Answers

SOURCE: no power to fule pump relay is ok gray wire hase no power canot

hi ted , the grey wire at the fuel pump goes to the fuel pump relay , and the relay gets its power from the ECM B fuse 20 amps , located in the underhood fuse relay center , when you tested for power , how did you do the test ? a test light at the grey wire while someone was cranking the motor ? i'm looking for a fix ya vote , so if finding your fuse doesn't solve your problem comment back before voting and i will help you , thanks .

Posted on Jan 11, 2009

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  • 236 Answers

SOURCE: 1994 astro ext will not start

fuel pump relay is under the hood in the fuse/relay box. information is in your owners manual.
when was the last time you replaced the fuel filter, maybe its plugged?

Posted on Nov 05, 2009

drsinister69
  • 2317 Answers

SOURCE: diagram on what the fule lines do on a1989 gmc

The one line is the supply line, the other is the return line, the other one would most likely be for evap emissions.

Posted on Mar 08, 2010

  • 22 Answers

SOURCE: 1997 savana van no power to the fule pump changed

look in your manual for a fuel pump reset button. Usually in the rear of the vehicle.

Posted on Oct 26, 2010

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No power to fule pump relay is ok gray wire hase no power canot


hi ted , the grey wire at the fuel pump goes to the fuel pump relay , and the relay gets its power from the ECM B fuse 20 amps , located in the underhood fuse relay center , when you tested for power , how did you do the test ? a test light at the grey wire while someone was cranking the motor ? i'm looking for a fix ya vote , so if finding your fuse doesn't solve your problem comment back before voting and i will help you , thanks .

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