Riviera V6-231 3.8L Turbo VIN 3 4-bbl (1982)
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Ignition Control Module: Description and Operation
PURPOSE
The "R" terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine RPM and crankshaft position.
Ignition Control Module: Description and Operation
PURPOSE
The "R" terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine RPM and crankshaft position.