I have the stock radio on my '87 740 GLE.
It seems to have a mind of its own. Sometimes the display will work, and sometimes it will be black. From time to time the signal will fade out, and the backlight will dim or go out.
Whacking the console with my fist will sometimes fix it, or make the speakers pop.
I thought it was a loose connection somewhere, but when I took the radio out it appears to be hardwired in place and the antenna and that black plug thing are in tight.
Any ideas why the radio does this? Can I fix it or should I replace the radio?
Side note - I pulled the radio from an 89 740 and the radio had a grey plastic connector. Why is mine hardwired and the newer one removeable? It would make things much easier.
Tim
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