2005 Gmc Sierra 2500 hd: aux under hoodr - ASAP Dec 07, 2011I have a 2005 Gmc Sierra 2500hd. I was wiring up aux lights on it today and after I got done with all my wiring I went to connect battery supply to fuse box under hood and now truck will not start. It also dosent seem to have power going to fuse box inside drivers side door.. GMC Sierra 2500HD - 2005 Fuse Box Diagram diagramfusebox›GMCGMC; Sierra 2500HD - 2005 Fuse Box; These are some examples of symbols that may be found on the vehicle: v. Remember, the theft-deterrent system won’t activate if. you lock the doors with a key or use the manual. door lock. It activates only if you use a power door lock.