Discovery I (LJ) V8-4.0L (1996)
Panel Illumination Control Module: Service and Repair
Electronic dimming control switch is located in instrument panel finisher. Rotate control to vary intensity of illumination.
Remove
1. Disconnect the battery negative lead.
2. Remove instrument panel finisher.
3. Remove 2 screws securing rheostat, remove rheostat.
Refit
4. Reverse removal procedure.