where is the horn in my 2004 gmc sierra 2500hd?
I have an o5, and I bet they are in the same place. under the windshield washer fluid tank drivers side. :)
Looking for a Used Sierra 2500HD in your area?
CarGurus has 13,888 nationwide Sierra 2500HD listings starting at $2,650.
Search GMC Sierra 2500HD Questions
GMC Sierra 2500HD Experts