Dimmer Switch Does Not Function for Chevrolet Chevrolet C-Series Medium Duty Truck B7 2000

Problem	Action
The connector is loose at the dimmer switch.	Tighten or replace the connector.
The dimmer switch is improperly adjusted.	Readjust the dimmer switch. Refer to Dimmer Switch Assembly - Disassemble - Off Vehicle and Dimmer Switch Assembly - Assemble - Off Vehicle .
The dimmer switch is internally damaged or worn.	Replace the dimmer switch. Refer to Dimmer Switch Assembly - Disassemble - Off Vehicle and Dimmer Switch Assembly - Assemble - Off Vehicle .