E220 1993 Headunit Problem

Hello. Yesterday i planned to change my headunit with a new one because the my latest headunit is dimming frequently. I checked the voltage is only 9V on headunit, probably the cable is broken. Right now i want to make a new wiring for my headunit. Any idea which one i should use for 12V and ACC ? Thank you PS : since i haven't open my ignition wire. this image i found on this forum but it's E320, i hope it's same for E220.

Hello.
Yesterday i planned to change my headunit with a new one because the my latest headunit is dimming frequently.
I checked the voltage is only 9V on headunit, probably the cable is broken.
Right now i want to make a new wiring for my headunit.
Any idea which one i should use for 12V and ACC ? Thank you
PS : since i haven't open my ignition wire. this image i found on this forum but it's E320, i hope it's same for E220.

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