Hi there,

I'm also trying to replace the stereo in my '92 245. I've removed the crap amplifier and the radio and now i'm looking at the harness and wondering what to do. I'm replacing the stock stereo with a Sony unit I had in my old 242. I got from the other recent post the speaker wires, and those wires correspond to what's in my car now. I just want to splice into them, I'm not going to bother with new speakers and wiring for the moment. I'm not installing an amplifier, just the head unit.

So from the stock harness I plan to splice the Green (constant +) with the corresponding wire on the Sony. Same with the speaker wires, the ground, and the switched +. In other words, I plan to just splice into the stock harness. My concern is that there are three wires that I don't know what to do with in the stock harness. The red wire is power antenna which I don't have, then there is a brown wire and a blue/white wire. What do I do with these three wires and what are they for? Do I just leave them unattached? Thanks so much for your assistance!