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2000 GMC Safari Fuel pump/relay

Tiny
JPCHARLEBOIS
  • MEMBER
  • 2000 GMC SAFARI
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 11,500 MILES
I have a 2000 gmc safari with 115,000 on it. It wouldn't start about six months ago and so I replaced the fuel pump and it worked for a while. I was told the wires and plugs were bad so I did a complete tune up. The propblem still came back. Finally I listened for power to the fuel pump and heard none so I replaced the relay and it fixed it for a few months. Now the problem is back and I hear nothing at the pump when I turn the key. Is there something besides the relay or the pump? Maybe a fuse or something shorting that is causing my problem. I really don't want to try replacing the fuel pump again until I have exhausted every other option.
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Saturday, May 17th, 2008 AT 11:26 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Direct power to the fuel pump from the battery to the gray wire -hot side and black for ground-if it won't turn On the fuel pump is gone.

The computer energizes the fuel pump relay -the relay will operate only for 2secs. Check fuse ECM-B in the underhood fuse/relay center if okay-fuel pump could have failed again.


https://www.2carpros.com/forum/automotive_pictures/12900_f1_5.jpg




https://www.2carpros.com/forum/automotive_pictures/12900_f2_4.jpg




https://www.2carpros.com/forum/automotive_pictures/12900_f3_2.jpg

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Saturday, May 17th, 2008 AT 1:14 PM

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