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. Remove stop lamp switch from mounting bracket, then disconnect switch from wiring harness.
2. Using a suitable ohmmeter, ensure switch continuity is as follows:
a. With switch plunger released, continuity should exist between pins 5 and 6.
b. With switch plunger depressed, continuity should exist between pins 1 and 2 and between pins 3 and 4.
3. If switch continuity is as specified, switch is satisfactory; if not, replace switch.