Control Assembly Knob Lighting

Removal Procedure




1. Disconnect the negative battery cable.
2. Remove the heating and ventilation system control assembly.
3. Disconnect the small connector to the vacuum control switch on the rear of the assembly case.
4. Separate the control assembly case halves.




5. Turn the bulb holder to the left and pull out the bulb.

Installation Procedure




1. Install the bulb into the holder and turn the bulb to the right.
2. Install the control assembly case halves.
- Pass the connector for the vacuum switch through the hole in the rear assembly case part.
- Be sure to align the flats on mating control shafts of the two case halves.

3. Install the connector into the vacuum control switch.




4. Install the control assembly.
5. Connect the negative battery cable.
6. Check the knob light for proper operation.