What does upfiititting in fuse box mean

Asked by Feb 26, 2017 at 08:52 AM about the 2017 GMC Sierra 2500HD SLT Crew Cab SB 4WD

Question type: Maintenance & Repair

4 Answers

250,925

Not sure what you asking? Why are you in the fuse box on your new truck?

Don't have power to 7 prong trailer connection so trailer battery is recharged when hooked to truck

250,925

I'd consult the dealer service department on this issue or the trailer hookup manufacturer. Try some online Sierra forums, maybe some owners ran into the same issues.

74,375

Maybe just a fuse. You do have a warranty so I would suggest that you use it.

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