Colorado 2WD L4-2.8L VIN 8 (2004)
18. Install the SIR fuse to the fuse block (1) located in the underhood fuse block.
19. Staying well away from all air bags, turn ON the ignition, with the engine OFF.
19.1. The AIR BAG indicator will flash 7 times.
19.2. The AIR BAG indicator will then turn OFF.
20. Perform the Diagnostic System Check - Restraint Systems if the AIR BAG indicator does not operate as described.