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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Brake Signal: Description and Operation
PURPOSE Sends a 12 volt signal to the
Engine Control Module (ECM) whenever the brake pedal is depressed.
OPERATION The brake switch signal is produced by the brake light switch. It This signal is processed by the
ECM to modify
idle speed and charging voltages as necessary.