Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Ignition Control Module: Description and Operation
IGNITION CONTROL MODULENOTE:
The
ignition control modules (or igniters) are integral with the ignition coil packs.
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Receives spark signal from
engine control module and generates high voltage in ignition coil.
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Detects high voltage ignition; sends substitute ignition signal to ECM