GMC Sierra 2500HD - 2004 Fuse Box Diagram GMC Sierra 2500HD - 2004 Fuse Box Diagram. Home; GMC; Sierra 2500HD - 2004 Fuse Box; These are some examples of symbols you may find on your vehicle: v. If a door is opened without the key or the remote. keyless entry transmitter, the alarm will go off. Your. GMC and Chevrolet Truck Fuse Box Locations - YouTube Click to view on Bing1:53GMC and Chevrolet Truck Fuse Box Locations. Car charger not working FIX Cigarette lighter socket repair auxiliary power outlet fuse replacement - Duration: 4:25. YourSelf 715,118 viewsAuthor: joe beermasterViews: 204K GMC Sierra mk1 (2003 - 2004) - fuse box diagram - Auto Genius GMC Sierra mk1 (2003 – 2004) – fuse box diagram. Year of production: 2003, 2004. Instrument Panel Fuse Block. The fuse block access door is on the driver’s side edge of the instrument panel.