Ignition Control Module: Description and Operation
Thick Film Ignition Module:
The ignition module has six connector pins at the wiring harness that supplies the following signals:
Run
Crank (start)
Tach (coil)
PIP (crankshaft position to ECA)
Spark output (SPOUT from ECA)
Internal ground from the ECA to the distributor
Ignition System:
The module supplies the spark to the distributor through the ignition coil and calculates the duration. It receives its control signal from the Electronic Control Assembly (ECA) Spark Output (SPOUT).