Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Glow Plug: Service and Repair
Glow Plug Controller
GLOW PLUG CONTROLLER REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Disconnect the glow plug controller electrical connector.
3. Disconnect the glow plug controller battery feed electrical connector (1).