New Holland 6004 – New Holland Four Wheel Drive: Rear Diff Lock Switch Failure

The system has detected a failure in the rear diff lock switch. This may prevent the proper engagement or disengagement of the rear differential lock function.

1. 1

   Rear diff lock switch

2. 2

   Wiring connections to the rear diff lock switch

3. 3

   Control circuit for the rear diff lock switch

1. 1

   Inspect

   Check the rear diff lock switch for physical damage or wear.

2. 2

   Test

   Verify the operation of the rear diff lock switch using the appropriate diagnostic tool.

3. 3

   Check

   Examine the wiring and connections to the rear diff lock switch for continuity and proper seating.

4. 4

   Replace

   If the rear diff lock switch is faulty, replace it with a compatible component.