Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
Glow Plug Control Module: Service and Repair
GLOW PLUG CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Disconnect the glow plug control module electrical connectors (1, 2).
3. Remove the glow plug control module bolts.
4. Remove the glow plug control module.