chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Distributor, Ignition|Testing and Inspection > < Distributor, Ignition|Locations
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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, Ignition|Testing and Inspection > < Distributor, Ignition|Locations