A/C Thermostat Test
|1.||Connect battery power to the No. 3 terminal, ground the No. 2 terminal, and connect a test light between the No. 1 and No. 3 terminals.|
NOTE: Use a 12 V, 3 W-18 W test light.
|2.||Dip the A/C thermostat into a cup filled with ice water, and check the test light.|