I've got an 88 740GLE where the stereo cuts out when the brake pedal is pressed. This happens intermittantly when running and will happen every time when the car is off. I checked inside and it appears that none of the stereo wires are shorted, all the wires look good, etc.
Every time the stereo goes out, one of the relays clicks... I think it is the one just in front of the round bulb warning relay...the fuel pump relay... it doesn't make sense as to why this one would operate when the brake pedal is depressed.
any advice would be appreciated.
thanks.
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