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Trailer Battery fuse and 7 way 12v (2017 GMC 2500hd)

Gary Martin
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Gary Martin New Member

Gary Martin

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I've searched online extensively and cannot find how to fix if the Trailer Battery fuse socket is empty (re: no prongs to install the fuse). I am wanting to have 12v on my 7 way plug to trickle charge my camper.P_20230710_102923_1.thumb.jpg.d10725a7dbf693cf610ee1e848297fcf.jpg

2017 GMC 2500HD 4x4 crew cab with towing package. 

On my 2003 Silverado it was as simple as replacing the cap on Post1 with a 30 amp fuse. 

TIA...

Edited by Gary Martin
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  • Gary Martin changed the title to Trailer Battery fuse and 7 way 12v (2017 GMC 2500hd)

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