K 2500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2002)
Glow Plug Relay: Service and Repair
Glow Plug Relay (Federal Emissions)
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cables.
2. Loosen the outlet duct clamp at the upper intake manifold cover.
3. Remove the upper intake manifold cover from the outlet duct.
4. Remove the upper intake manifold cover.
5. Remove the battery supply wiring harness nut (1) and harness connector (2).
6. Remove the glow plug wiring harness nuts and harness connectors (4,6).
7. Release the wiring harness connectors (3,5) at the glow plug relay (8).
8. Remove the two glow plug relay mounting nuts.
9. Remove the glow plug relay from the mounting studs.
INSTALLATION PROCEDURE