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Chevrolet
3500
Fuel System
Fuel Pump
Not Working
Fuel pump is not working?
EDDIE BROWN4
MEMBER
1993 CHEVROLET 3500
6.5L
TURBO
200,000 MILES
Fuel pump is not working, no power to relay fuse.
Tuesday, November 1st, 2022 AT 9:09 AM
1 Reply
KEN L
MASTER CERTIFIED MECHANIC
47,637 POSTS
There is a 20-amp inline fuse that powers the fuel pump. here are the wiring diagrams and a guide to help check for power so you can see how the system works and where it might be losing power:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Check out the images (below). Please let us know what you find. We are interested to see what it is.
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Tuesday, November 1st, 2022 AT 10:37 AM
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