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Discussion Starter #1 (Edited)
I was letting my friend borrow my truck since she needed to move the last few things from her old apartment to her new one. She and her dad were putting a big screen TV in the backseat when she said the overhead light turned off and nothing electrical in the truck worked. When I got there, the truck wouldn't start, gave any indication of anything electrical working, or would shift out of park. We tried jumping it to no avail, and a volt test determined the battery was not the culprit. It was also an ordeal since I mentioned this to GM Roadside, who didn't convey this to a very clueless tow truck driver and basically left since he didn't know how to deal with a vehicle that wouldn't shift out of park.

Now that getting the truck to the dealer has been handled, I'm not overly concerned per se since it's under warranty. I just want to be sure that the dealer is going to fix the underlying cause of this issue and not something like a blown fuse or relay that could go again in the future, such as after the warranty expires.
 

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Discussion Starter #3
Wow, that suck. Please keep us update on the issue.
I got an update. It looks like the main engine harness wiring got frayed to the point where it could no longer conduct electricity. My service advisor said it's a relatively rare but not unheard of electrical failure. They're coordinating with GM right now to get a repair done to my truck. All I asked was that the repair was done in such a way that the risk for a recurrence was kept to a minimum.
 

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I got an update. It looks like the main engine harness wiring got frayed to the point where it could no longer conduct electricity. My service advisor said it's a relatively rare but not unheard of electrical failure. They're coordinating with GM right now to get a repair done to my truck. All I asked was that the repair was done in such a way that the risk for a recurrence was kept to a minimum.
Thank you for the update. I hope it get fix very soon.
 

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How did it get "frayed?" Did they say where it got frayed at or show you or show you a picture? I would be interested to know.
 

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Discussion Starter #6
How did it get "frayed?" Did they say where it got frayed at or show you or show you a picture? I would be interested to know.
My guess right now is it was a non-optimal placement from the factory that over time rubbed against something else and failed. I plan to get more info from the dealer and post it on this thread.
 
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