Fuel pump is not working, no power to relay fuse.
Nov 1, 2022 at 9:09 AM
Fuel pump is not working?
1993 CHEVROLET 3500
EDDIE BROWN4
- MEMBER
- 1 POST
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STRAILER
- ✓ASE Certified Mechanic
- 54,832 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.
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.
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
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Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Nov 1, 2022 at 10:37 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.