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Tiny
LORIDOWDY
  • MEMBER
  • 2009 FORD F-150
  • AUTOMATIC
  • 185,000 MILES
They replaced the relay switch but I think a fuse is out can you help me find and test the fuses?
Thursday, December 10th, 2015 AT 7:27 AM

4 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Here is a guide to help with the testing with the fuse panels in the diagrams below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know what happens.
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Wednesday, May 5th, 2021 AT 12:40 PM
Tiny
LORIDOWDY
  • MEMBER
  • 2 POSTS
How often have you seen a fuse box having to be replaced. And I know that for this truck you have to replace fuse box and all wiring.
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Wednesday, May 5th, 2021 AT 12:40 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
I have recently had an issue with a 2002 crown vic that lost all power and would be intermittent. I eventually traced it to a bad contact in a fuse in the fuse box that ran to the ignition switch. You can usually just flip them over and check connections.
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Wednesday, May 5th, 2021 AT 12:40 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
This isn't just a fuse box on this car. It's a smart junction box with internal relays and modules. Most of it is inaccessible.
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Wednesday, May 5th, 2021 AT 12:40 PM

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