B2500 SX Regular Cab 2WD L4-2.5L VIN C (1999)
Control Assembly: Service and Repair
Heater Control Unit
1. Remove the audio unit. .
2. Remove the center trim finish panel. .
3. Remove the screws and remove the climate control assembly.
4. Disconnect the electrical connectors (1) and vacuum harness connector (2).
5. Install in reverse order of removal.