C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
Daytime Running Lamp Control Unit: Service and Repair
DAYTIME RUNNING LIGHTS (DRL) CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
The daytime running lamp (DRL) module circuit board is enclosed in a plastic case under the left side of the instrument panel.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Open the DRL module cover (1).
3. Remove the DRL module circuit board from the module using a suitable tool.
INSTALLATION PROCEDURE
1. Install the DRL module circuit board to the module.
2. Close the DRL module cover (1).
3. Connect the negative battery cable.