GMC Sierra (2007) - fuse box diagram - Auto Genius GMC Sierra (2007) – fuse box diagram. Year of production: 2007. Instrument Panel Fuse Block. The instrument panel fuse block access door is located on the driver GMC Sierra 1500 - 2007 Fuse Box Diagram GMC Sierra 1500 - 2007 Fuse Box Diagram. Home; GMC; Sierra 1500 - 2007 Fuse Box; Testing the Alarm. The alarm can be tested by following these steps: 1.