Operation CHARM: Car repair manuals for everyone.
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

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Brake Switch Input

CIRCUIT OPERATION
Circuit L50 is an input to the Controller Anti-Lock (CAB) module. The L50 connects to cavity 22 of the CAB connector Circuit L50 is spliced in with the stop lamps and is used to provide the controller with information on when the brakes are being applied.