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My fuel pump is not getting power in the harness.

Tiny
DRAGONSCULL
  • MEMBER
  • 2001 GMC SONOMA
My fuel pump is not getting power in the harness, but is getting power to the relay what could it be?
Saturday, December 3rd, 2011 AT 10:29 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
You have to test for voltage while a helper is cranking the engine. Or you must bypass the fuel pump relay, then test for voltage. I don't have a drawing of which terminals to jump in the relay socket, so a fool-proof way is to pop the cover off the relay, reinstall it that way and squeeze the contact.
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Saturday, December 3rd, 2011 AT 10:39 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The wiring diagram says it has a prime connector in the fuse box but I can't find a picture of it.
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Saturday, December 3rd, 2011 AT 11:32 PM

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