brake lights and rear turn signals
Had to take it to the dealership.
Factory trailer hitch shorted out a 500.00 module. |
Had the same thing happen, but at 46,000 miles mine was under warranty. BCM (Body Control Module) got smoked when the trailer harness shorted. Common problem.
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How does this happen? I plan on towing my boat this summer but my warranty runs out March 23rd. How did yours short? bad harness, wrong harness? curious
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Originally Posted by JDTDBD
(Post 217410)
How does this happen? I plan on towing my boat this summer but my warranty runs out March 23rd. How did yours short? bad harness, wrong harness? curious
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amazing how a trailer wiring harness can ruin your day!!!
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Originally Posted by RKSmith163
(Post 217412)
if you look between your bumper and the body below the tailgate, you will see that the trailer wires rub against the body eventually rubbing the cover off the wires and shorts out. I read the thread and put some wire loom around mine to prevent this.
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Originally Posted by JDTDBD
(Post 217450)
Thanks for the tip. Looks like I have a project for today.
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Me Too
Same thing happened to me. 07 H3...only it caused an engine missfire and smoked the BCM...Chevy dealer said they would not replace the harness, just repair it...
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Spent hours yesterday researching this problem on here yesterday, don't know how i missed this thread.
Just looked, sure enough, it's rubbed bare. silly question though, how the heck do you get the harness to release from the bumper so you can repair the short?? |
from bottom just push up, and forward on cable. when it unclips the problem is gone for good. the cable is binding when stock and it wears thru.once unclipped u mite need to add some insulation if its worn.
if u do this when new,,,no problem, it will be loose,DO NOT REATTACH IT!! this was posted last year. these obvious fixes should have a special place on forum so they can be found easier. btw,if there ever was a factory production inflicted failure and legitimate recall free fix this is it. it is so blatently cristal clear that the factory mounting CAUSES this rubbing and wear. u can push down and feel the tight fit,UNTIL it is unclipped,then its free and loose. THERE WAS NEVER A NEED FOR THIS PROBLEM,NOT ONCE!! |
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