Brake Switch (Cruise Control): Service and Repair

Replacing stop (brake) light switch early type

Note! There are two types of stop (brake) light switch. An early type that requires manual adjustment, and a later type that is self-adjusting.

Preparations

- Check that ignition is switched off.
- Disconnect battery ground lead.
- Remove soundproofing.

Removing






- Undo stop (brake) light switch locknut.
- Unscrew stop (brake) light switch.
- Disconnect connector.

Installing






- Depress brake pedal 12 mm. Lock the pedal in position with a pedal jack.
- Screw in new stop (brake) light switch.
- Connect the connector.
- Continue with adjustment according to Stop (brake) light switch early type.

Replacing stop (brake) light switch later type

Preparations

- Check that the ignition is switched off.
- Remove soundproofing.

Removing






- Depress brake pedal and lock it in the depressed position with a pedal jack.
- Press stop (brake) light switch housing forward towards the pedal mounting bracket to release the white locking sleeve.
- Pull the white locking sleeve towards the tip of the stop (brake) light switch as far as it will go.
- Push in stop (brake) light switch catches and remove switch.
- Disconnect connector.

Check






Check the new stop (brake) light switch to ensure:
- that the white locking sleeve is pulled out towards the tip of the stop (brake) light switch as far as it will go.
- that the catches are not in contact with the white locking sleeve.

Installing

Note! Brake pedal must be depressed.






- Connect the connector.
- Install stop (brake) light switch. Check location of switch in bracket.
- Press stop (brake) light switch into place. There is a distinct click when the catches engage with the bracket.
- Remove pedal jack.
- Carefully pull up brake pedal to its highest position. The stop (brake) light switch will then adjust itself automatically.
- Shake (do not pull) the stop (brake) light switch lightly and check that it is secure.
- Check that the stop (brake) lights is working.
- In cars with automatic transmission and shiftlock, check that shiftlock is working.
- Reinstall soundproofing.