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Asked by GuruF3MK May 16, 2017 at 11:11 AM about the 2000 GMC Sierra 1500 SLE 4WD Extended Cab SB

Question type: Maintenance & Repair

I just changed my bad fuel pump, also put a new
fuel filter, connected the new connector for it. The  
pump isn't making noise an/or sound of it working.
Fuse looked fine. Any help?

9 Answers
144,885

T_S_T answered 7 years ago

If you changed the wiring harness when you put new pump in,your issue may be the ground wire,s,there are two of them,body ground and ignition ground,swap them.

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GuruF3MK answered 7 years ago

I have a black cable, purple cable, gray cable, an a black an white cable. Which would be which?

1 people found this helpful.
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GuruF3MK answered 7 years ago

Switched them an still nothing. I think I might follow to wires to see if theres an open somewhere

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GuruF3MK answered 7 years ago

How would I check if the fuel pump is getting power?

2 people found this helpful.
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