Pressure, Vacuum and Temperature Specifications

Temperature °F(°C) Ohms

Coolant Temperature Sensor Resistance
-40 to 20 (-40 to -7) 382,000 to 22,000
50 to 100 (10 to 38) 36,000 to 3,300
140 to 245 (60 to 118) 3,900 to 176

Component Temperature
Coolant Vacuum Switch Cold Closed (Thermostat Mounted) Opens between 108°F - 125°F
Coolant Vacuum Switch Cold Closed (Radiator Mounted) Opens at 59°F (15°C)
Coolant Vacuum Switch Five Port Opens at 150°F
Charge Temperature Sensor 60°F (16°C)
Thermal Ignition Distributor Control Valve Directs Ported Vacuum to the Distributor above 150°F