Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

• Rear Body Structure Stop Lamp Replacement (Chevrolet, GMC)Rear Body Structure Stop Lamp Replacement (Cadillac)
• Backup Bulb Replacement (GMC)Backup Bulb Replacement (Chevrolet)
• Underhood Electrical Center or Junction Block Replacement
• Control Module References for BCM replacement, programming, and setup