Wire Type

Fan switch
1. Remove the heater control unit.







2. Check for continuity between the fan switch terminals by using an ohmmeter.
3. If not as specified, replace the fan switch.

A/C switch
1. Remove the A/C switch.
2. Check for continuity between the A/C switch terminals by using an ohmmeter







3. Turn the A/C switch on.
4. Connect battery positive voltage to terminal F and ground to terminal D.
5. Verify that the LED illuminates.
6. If not as specified, replace the A/C switch.