No power to fuel pump relay

Tiny
DERBIN
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Thought the fuel pump went, replaced it, then found out the relay wasnt clicking. Replaced it with a tested one, but still doesnt work.
Thursday, January 28th, 2016 AT 5:41 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This may be a fuse box problem see if grn wire is sending power to fuel pump relay and check ground as well. If power is going to fuel pump you might want to put some dielectric grease on prongs and tweek them just a tad. So it makes better contact also check ecm b fuse
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Friday, January 29th, 2016 AT 7:09 AM

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