Operation CHARM: Car repair manuals for everyone.
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Brake Switch (Cruise Control): Testing and Inspection


1. Turn ignition switch to On position.
2. Connect test light to ground.
3. Probe brown wire at brake switch connector. Lamp should illuminate.
4. Check switch adjustment, with probe still at brown wire, depressing brake pedal 1/8 - 1/2 inch. Light should go out.
5. If lamp did not illuminate in step 3, probe wire in adjacent connector cavity. If lamp illuminates, adjust or replace switch as necessary. If light does not illuminate, check wiring to switch.