Fuel pump is not working?

Tiny
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

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 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

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Tuesday, November 1st, 2022 AT 10:37 AM

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