The center section of my DII dash is dark. Is there a bulb in the center (where the tach and speedo come together) or is this an LED type display? Is there a way to replace this bulb?

 

RAVE wiring diagram shows it to be a bulb.

The wiring send battery volts thru the variable dimmer switch to a splice that serves a number of lights. One other light is the cruise control button.

 

Next question is how to replace this bulb, and my guess is this is a dealer only part....correct?

 

I got some bulbs at NAPA, like for the clock. Better on line than from dealer, but problem will be that your dash clusterwill be out to deal with this, and will need it fixed quick. See Land Rover Discovery II Electrical Switches and Relay Parts Available from RoversNorth.com, looks like item 32. Don't know if you can reach under there and twist it to come out.