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1998 GMC C1500 Fuel pump

Tiny
1234MREW
  • MEMBER
  • 1998 GMC C1500
Electrical problem
1998 GMC C1500 V8 Four Wheel Drive Automatic

were does the gray wire goes from the fuel pump to what? I put in a new fuel pump, but now I have no juice going to the fuel pump. Why? Can you help? Thank you.
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Friday, March 27th, 2009 AT 12:58 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The gray wire goes back to the fuel pump relay and the fuel pump/oil. Pressure switch. Do you hear the fuel pump for a few secs-if not check the fuel pump relay and ECM B fuse.
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Friday, March 27th, 2009 AT 1:10 PM

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