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 Signal: Adjustments

Brake On/Off (BOO) Switch:






1. Ensure brake pedal is fully returned (brake booster push rod is against return stop in brake booster).

2. Using a 2.0mm (0.078 inch) spacer, check distance between stoplamp switch and brake pedal rubber pad. If adjustment is required, perform remaining steps.

3. Disconnect stoplamp switch wiring connector.

4. Loosen switch locknut.

5. Check distance from brake pedal to stoplamp switch screw. The distance should be 2.0mm (0.078 inch).

6. If necessary, adjust distance by rotating switch in or out.

7. Tighten switch locknut.

8. Connect wiring connector.

9. Check operation of stoplamp switch and stoplamps.