RV.Net Open Roads Forum: 2005 Yukon XL 2500 tow wiring 12v at truck hitch?


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nwguy

washington

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Joined: 02/28/2005

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Posted: 04/16/08 03:47pm

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I have a 05 Yukon Xl 2500 with tow package but the 12V constant is not hooked up. I talked to the service writers at my local dealer and they said I need to make apmt. I heard it was just a matter of hooking up one wire. it has nothing in the manuel about it. and I don't see anything in the fuse box. I have pulled both and can't find anything not hooked up.
Any help would be super..Thanks

AVid

SE Michigan

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Joined: 06/18/2005

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Posted: 04/16/08 03:59pm

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You need to put a 40 amp fuse in the "Stud 1" position in the UBEC. There is a dummy fuse in there, pull it and replace it. The legend is pasted on the underside of the UBEC cover that will tell you where stud 1 is located.

AVid

* This post was edited 04/16/08 05:35pm by AVid *

mapguy

Puget Sound

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Joined: 09/02/2007

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Posted: 04/16/08 04:52pm

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AVid wrote:

You need to put a 30 amp fuse in the "Stud 1" position in the UBEC. There is a dummy fuse in there, pull it and replace it. The legend is pasted on the underside of the UBEC cover that will tell you where stud 1 is located.

AVid

Underhood Fuse Panel -believe 40 amp...