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)
Or, hide this message:
temporarily or
permanently
Description
IGNITION SIGNALDescription The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns
ON and OFF the
ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.