F 350 2WD Super Duty V10-6.8L (2009)
Auxiliary Cabin Heater Control Module: Service and Repair
Auxiliary Heater Control Module (AHCM)
Removal and Installation
1. Remove the instrument panel.
2. Remove the electric heater battery cable bracket screw.
3. Disconnect the 2 electric heater battery cable connectors.
4. Remove the 2 heater core cover screws and the heater core cover.
5. Remove the 2 Auxiliary Heater Control Module (AHCM) screws.
6. Disconnect the AHCM electrical connector.
7. Remove the AHCM.
8. To install, reverse the removal procedure.
