GMC Sierra mk1 (2005) - fuse box diagram - Auto Genius Dec 28, 2016GMC Sierra mk1 (2005) – fuse box diagram. Year of production: 2005. Instrument Panel Fuse Block. The fuse block access door is on the driver’s side edge of the instrument panel. GMC Sierra 1500 - 2005 Fuse Box Diagram GMC; Sierra 1500 - 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.