Well at the time I didn't really know about the harness option, if I did I would obviously gone with that. I've installed my own radio in an older Volvo and it worked perfectly, so this was strange. This did help though. I had no idea what it was at first and no one else had the same problem, so thr...

I installed an aftermarket radio in my V70 without a harness, and the sound and connections are all fine. The issue is that whenever I start to drive it shuts off, and will sometimes come back on when I get to a certain speed, then shut off again when I go below 20kph. I know it has to do with the A...