dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 252 > < Diagram Information and Instructions|Page 250
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Power Transistor: Description and Operation

Component Overview

PURPOSE 

The Engine Control Module (ECM) controls ignition timing and dwell by interrupting the ignition coil primary circuit ground, through the power
transistor. 

OPERATION 

Diagram Information and Instructions|Page 252 > < Diagram Information and Instructions|Page 250