W250 3/4 Ton Pickup 4WD V8-318 5.2L VIN T 2-BBL (1983)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
Engine Coolant Temperature Sensor Description
The coolant temperature sensor measures temperature of the engine coolant. The coolant temperature sensor is mounted in the thermostat housing or in
water passage of intake manifold. The sensor monitors engine coolant (operating) temperature. It supplies the logic module with a voltage signal which
varies with coolant temperature.