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 (Cruise Control): Testing and Inspection


1. Disconnect connector at switch pigtail and connect suitable 12 volt source to either terminal.
2. Connect a test lamp from other terminal to ground. Test lamp should light when brake pedal is in normal position and should go off when brake pedal is depressed to a maximum of approximately 3/8 - 1/2 inch after proper adjustment as outlined under "Brake Switch Adjustment" in individual car chapters.