K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Glow Plug Relay: Service and Repair
Glow Plug Relay With California Emissions
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cables.
2. Remove the upper intake manifold sight shield using the following procedure:
2.1. Remove the retaining bolt in the front of the shield.
2.2. Lift up on the front of the shield.
2.3. Lift the shield off the rear bracket.
3. Remove the battery supply wiring harness nut (1) and harness connector from the glow plug controller battery voltage supply post.
4. Remove the glow plug wiring harness connectors (2) from the glow plug controller (3).
5. Remove the glow plug controller mounting bolt (6) from the mounting bracket (4).
6. Remove the glow plug controller (3) from the mounting bracket (4).
INSTALLATION PROCEDURE
