Trailer Dome Lights - GMC Denali

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Steve A · #1 11-22-2017, 04:38 PM

Quote:

Originally Posted by Keith Seymore

I think there is a fuse that you have to add to the underhood "BEC" ("bussed electrical center").

It is a "J Case" fuse that will get you B+ to your trailer connector at the rear of the vehicle.

See if there is a red "dummy fuse" in the Stud 1 location (location 68). Replace that with an actual fuse.

http://www.autogenius.info/gmc-yukon...e-box-diagram/

I'm going from memory here so I do not recall what size fuse.

K

That's what I did on my 2005 Suburban. That took care of it.

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