C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Control Assembly: Service and Repair
Auxiliary System
Heating System Only
Auxiliary Heater Control Switch
Remove or Disconnect
1. Instrument cluster trim.
2. Electrical connectors.
3. Control switch from instrument cluster trim.
Install or Connect
1. Control switch to instrument cluster trim.
2. Electrical connectors.
3. Instrument cluster trim.
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Check circuit operation.
Front Overhead
Aux. Heater and A/C
Front Overhead Auxiliary Control Switch
Remove or Disconnect
1. Overhead console.
2. Electrical connectors.
3. Control assembly from overhead console.