No power to fuel pump relay

2003 CHEVROLET TRAILBLAZER
130,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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DERBIN
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  • 3 POSTS
Thought the fuel pump went, replaced it, then found out the relay wasnt clicking. Replaced it with a tested one, but still doesnt work.
Jan 28, 2016 at 5:41 PM
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HMAC300
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  • 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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Jan 29, 2016 at 7:09 AM