chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Ignition Control Module|Description and Operation|Page 2502 > < Pole Piece / Reluctor Wheel, Ignition|Service and Repair
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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|Page 2502 > < Pole Piece / Reluctor Wheel, Ignition|Service and Repair