cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

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Distributor Reference Signal|Page 1445 > < Electronic Spark Timing <--> [Electronic Spark Control Module]|Description and Operation|Page 1440

Fleetwood Brougham V8-307 5.0L (1989)

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Ignition Control Module: Description and Operation
Distributor Reference Signal

Ignition Module

The "B" terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine rpm and crankshaft position.

Distributor Reference Signal|Page 1445 > < Electronic Spark Timing <--> [Electronic Spark Control Module]|Description and Operation|Page 1440