I have a 1993 Cadillac Seville STS, after doing my research I found not only a bose bypass wiring harness to install an aftermarket head unit but I also found an "integration harness" make sure to purchase the right harness if you chose to utilize the existing speakers and bose amp. Only one issue that I've found is that the original power antenna will retract but only part way due to the aftermarket head unit power down load, most often its too short

 

Hey -

I am interested in this for my DeVille. What is the name and model numbers the harnesses you used?

Thanks
Joe

 

I am interested in this myself. My Deville did not have Bose in it originally. It is a 2004. While cruising the salvage yards I found the 2 rear door Bose in excellent shape and a 12" sub. I am trying to get the sub working in the back deck where the old non-bose was mounted. Wiring is completely different. Does anybody have any advice on this? A wiring diagram? color codes?? I realize I am probably in no mans land but any help couldn't hurt. Thanks in advance.

Richard