Adjusting the differential lock switch (Defender 2007+)

General procedures

NOTE: This procedure is only necessary for switches equipped with a locknut instead of a threaded spacer.

1. Move the differential lock selector fork to the differential lock position.

2. Connect a test light and a 12V battery to the differential lock indicator switch.

3. Turn the switch in until the test lamp lights, then turn the switch in another 1/2 turn; tighten the lock nut.



4. Disengage the differential lock and ensure that the test lamp goes out.

5. Remove the test lamp.