No start after positive battery terminal touched the inside metal of the fender and grounded out and kind of blew up

VLARRY

MEMBER
2006 GMC SIERRA
5.3L
V8
4WD
AUTOMATIC
173,000 MILES

I'm having an issue with my truck where the battery positive terminal touched the inside metal of the fender and grounded out and kind of blew up. I replaced the battery and now it turns over but won't stay on on. Power windows, seat heaters, power locks, radio, gauges, and key fob don't work. I've checked all fuses and they're good. Checked alternator and it's good. So I'm at a loss of what it could be. Any advice?

5 Replies

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

Where did you check the fuses at? In the diagrams down below I have included all the diagrams for the fuse panels, fusible links, and relay boxes in your vehicle, as well as their locations. Please go through these guides, check all of your fuses and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros

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Saturday, June 15th, 2019 AT 2:45 AM

VLARRY

MEMBER
6 POSTS

I have indeed checked the all the fuse boxes according to your diagrams but have been having trouble locating fusible links.

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Saturday, June 15th, 2019 AT 2:14 PM

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello again,

I have included the information you requested in the diagrams down below. Please let us know what you find out.

Thanks,
Alex
2CarPros

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Sunday, June 16th, 2019 AT 12:12 AM

VLARRY

MEMBER
6 POSTS

So I have checked the links and they are reading 11.97 which I am assuming isn't bad but still isn't good? What else could it possibly be?

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Monday, June 24th, 2019 AT 5:02 AM

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

Well that is battery voltage for your vehicle, I assume. I have included in the diagrams down below instructions on how to find an open in a circuit. Although this seems like a daunting task, every single electrical system in your vehicle can be broken down into a simple series circuit. Start where the failure is and work your way back to the battery. You will come across the problem. I can't do it for you, the vehicle isn't in front of me. Take this guide and apply it to your problem, and you will find the problem.

Thanks,
Alex
2CarPros

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