Where is the auxiliary power fuse located?

Tiny
LCAHILL53
  • MEMBER
  • 2008 CHEVROLET COLORADO
  • 2.9L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 109,372 MILES
So, I can change it. Main power fuse.
Monday, July 10th, 2023 AT 6:29 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,692 POSTS
The main power fuse is under the hood inside of the main PDC. here is a guide to help check it and the location of the 100-amp main fuse in the images below:

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

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, July 11th, 2023 AT 11:35 AM
Tiny
LCAHILL53
  • MEMBER
  • 2 POSTS
I found the fuse and changed it, but that didn't fix my problem. The whole problem started when a friend of mine decided to put a radio in the truck for me. One of the wires to the radio he had touched to the antenna by mistake, and it's shorted out the whole truck. Any ideas on what I can do to fix it? It won't even turn over.
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Tuesday, July 11th, 2023 AT 9:20 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,692 POSTS
It sounds like one of the fuses for the BCM is out, I would turn the systems on and use a test light to check the fuses, here is a guide and the fuse location as well:

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

If the fuses are all good it sounds like the BCM got shorted out but to be sure we should do a CAN scan, you can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

You can get a preprogrammed BCM by searching Google or Ebay. Here is how to replace the BCM in case a code comes up for it. Check out the images (below). Please let us know what happens.
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Thursday, July 13th, 2023 AT 9:29 AM

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