Test D29 - Unplug Brake Sensor Switch
Turn ignition off. Unplug brake sensor switch. Switch is located on proportioning valve. Ensure wiring is not damaged. If wiring is okay, go to TEST D30 .
Turn ignition off. Unplug brake sensor switch. Switch is located on proportioning valve. Ensure wiring is not damaged. If wiring is okay, go to TEST D30 .