Two sensors are used per car; one for the coolant and one for the intake air. Both are threaded into or near the intake manifold. I tried to sift through the applications to the best of my knowledge.
4 Seasons Engine Cooling Fan Clutch For 1976-1979 Cadillac Seville
HVAC Heater Core 4 Seasons For 1976-1979 Cadillac Seville
For 1976-1979 Cadillac Seville HVAC Heater Core 4 Seasons 1977 1978
HVAC Blower Relay 4 Seasons For 1976-1979 Cadillac Seville
For 1976-1979 Cadillac Seville 5.7L Accessory Drive Belt Air Conditioning Gates
