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Reference Signal <--> [Cranking Signal]|Description and Operation|Page 2143 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 2139

R 10 P/U 2WD V8-454 7.4L (1987)

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Reference Signal: Description and Operation

This signal is used to inform the ECM that the engine is cranking. The ECM uses this information to tell when the engine is in the cranking mode.

Reference Signal <--> [Cranking Signal]|Description and Operation|Page 2143 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 2139