89 BMW 730il stereo wiring diagram

[civicman07 10+ year member]

I have a friend who is trying to put an aftermarket cd player in his older bmw, local steroe place didnt have a wiring harness for it so he took out the factory tape player and cut the wiring harness plug off so i have no idea what wires are to what, i mean there are about 30 wires there now and so far i can only find the constant power, anyone know where i can get a wiring diagram for free or anyone who knows anything about these let me know please

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[starkfu 10+ year member]

older BMW's are usually common ground, so you will most likely have to run new power wires.

 

[starkfu 10+ year member]

Switched 12V+ Purple

Ground Brown

Illumination n/a

Dimmer n/a

Antenna Rear Window, Diversity

Front Speakers 5 1/4" Kick Panels

Left Front (+) n/a

Left Front (-) n/a

Right Front (+) n/a

Right Front (-) n/a

Rear Speakers 5 1/4" Rear Deck

Left Rear (+) n/a

Left Rear (-) n/a

Right Rear (+) n/a

Right Rear (-) n/a