Dual display Nav (colour and Monochrome)
Out of interest, would a dual display MK3 navigation be possible, using a 4:3 head unit in the dash, and the monochrome display from the Business Nav? I believe the Rover 75 had such a system.
The wiring diagram shows a single NAV_BUS line going from the nav computer to the business radio. I wonder if that is disabled when the nav is in colour mode.
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