Chevrolet Silverado 2500HD - 2012 Fuse Box Diagram Silverado 2500HD - 2012 Fuse Box; 2-14. Keys, Doors, and Windows. Testing the Alarm. To test the alarm: 1. Lower the driver window and. open the driver door. 2. Press lock on the RKE. transmitter. 3. Close the door and wait for the. security light to go out. 4. Reach in through the window, GMC Sierra Chevy Silverado Fuse Box Locations and OBD Click to view on Bing1:33GMC Sierra and Chevy Silverado fuse box locations including the hidden one 3 toal. and the OBD2 Computer scan hook up locations.Author: joe beermasterViews: 10K chevy fuse box seperation - YouTube Click to view on Bing2:102004 Chevy trailblazer fuse box seperation. Skip navigation Sign in. Search. chevy fuse box seperation Cody Spencer. 2012 Colorado/I-290/Canyon AC Blower Troubleshooting and RepairAuthor: Cody SpencerViews: 30K Fuse box Chevrolet Silverado 1999-2007 Fuse box in passenger compartment Chevrolet Silverado. fuse box location. The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.