Component Inspection

Inspection
Thermoswitch (A/C amplifier)
Off-Vehicle

1. Remove the thermoswitch.





2. Connect battery positive voltage to terminal C and ground to terminal B of the thermoswitch.
3. Connect a voltmeter between terminals A and B of the thermoswitch.
4. Immerse the sensor part of thermoswitch in a container of ice water.





5. Test the switch as shown.
6. If the voltages do not correspond to the temperature settings, replace the thermoswitch.