Cutlass Supreme RWD V8-307 5.0L (1988)
Distributor: Description and Operation
The ``R'' terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine RPM and crankshaft position.
Distributor: Description and Operation
The ``R'' terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine RPM and crankshaft position.