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Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] > < Coolant Temperature Sensor/Switch (For Computer)|Specifications

Toronado V8-307 5.0L (1982)

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Coolant Temperature Sensor/Switch (For Computer): Description and Operation

Sensor--mounted in the engine coolant stream--supplies a varying DC voltage to the ECM representing engine temperature. 
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Sensor resistance is high when the engine is cold and low when the engine is warm. 

The ECM controls temperature dependent systems accordingly.

Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] > < Coolant Temperature Sensor/Switch (For Computer)|Specifications