Brake Switch: Prelude
- Disconnect 4-pin connector from switch. Check that there is continuity between terminals "A" and "D" with brake pedal released, and between terminals "B" and "C" with brake pedal depressed.
- Ensure circuit is open between terminals "A" and "D" with brake pedal depressed, and between terminals "B" and "C" with brake pedal released. Adjust pedal height or replace switch as necessary. See Fig 1 .