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Home >> Plymouth >> 1987 >> Caravelle L4-135 2.2L SOHC >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection
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Control Assembly: Testing and Inspection


1. Connect ohmmeter leads to resistor wire terminals.
2. With control lever at 65, resistance should be less than 390 ohms.
3. Slowly move temperature control lever to right until ohmmeter reading is 930 ohms. Ohmmeter reading should increase smoothly and temperature lever should be near the 75 setting.
4. Move temperature control lever to 85. Ohmmeter reading should smoothly increase to at least 1500 ohms.