1999 Chevy Lumina fuel pump relay ground supply

Tiny
NEELYM
  • MEMBER
  • 1999 CHEVROLET LUMINA
Electrical problem
1999 Chevy Lumina 6 cyl Two Wheel Drive Automatic

What supplies the ground to the fuel pump relay?
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Saturday, May 24th, 2008 AT 10:19 AM

3 Replies

Tiny
2CEXPT
  • MEMBER
Black and White/E9 terminal


https://www.2carpros.com/forum/automotive_pictures/12900_fp2_4.jpg

see below
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Saturday, May 24th, 2008 AT 10:34 AM
Tiny
NEELYM
  • MEMBER
I have replaced the fuel pump and the fuel pressure regulator and that fixed the fuel pressure problem, but now I can't get the fuel pump relay to engage without suppling an external ground to the ground post of the relay. I guess my question would be is there a sensor or something else that would complete that curcuit?
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Saturday, May 24th, 2008 AT 11:41 AM
Tiny
BMRFIXIT
  • EXPERT
If its the ground wire (blk/wht)
that you are having an issue with
then check the ground wire at the tranny stud bellhousing
or you can run a new wire
this blk/wht wire like ( RAS ) showed it goes straight to tranny ground stud
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Saturday, May 24th, 2008 AT 1:40 PM

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