Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Ignition Control Module: Description and Operation

PURPOSE
The igniter is ECU controlled with an ignition signal. This allows ignition triggering with a relatively low current signal from the ECU.

LOCATION
On the ignition coil bracket, near the master cylinder,

OPERATION
A signal is sent to the igniter module whenever the engine is running. The signals are an ON/OFF pulse, telling the igniter when to fire the ignition coil.