Car Navigation, Audio & Electronics
https://youtu.be/mR_a7eqXdds
E34 1990 535i pre 17 pin connector prod. Date 07/90.
Video shows radio working as it should when car is in ACC Mode, key turned to on but engine not running. When car is running, I get just blurts of sound every second or so. Like a skipping CD.
~11.5VDC when in...