Just thought I'd say "THANKS" to the person long ago who posted this thread...it helped some! and the comments had bit's too... Just did this not even 2 mins ago. 2000 C70 with 87K miles, picked this up in a "sat in the garage" deal. My issue was I could not for the life of me fi...

so sorry for such a late reply...............FOUND THE WHINE! ......... Never in a million yrs would anyone figure this one out! I noticed my powersteering pump was a bit wet on the outside...so I replaced it...easy deal.....at the top of the motor....One of the things U do is unhook the power steer...

Greetings - I'm a lot more familiar with the S/V70 systems, and I've never even climbed into a Coupe or Convertible, let alone cracked one open - But: I get the feeling that they all shipped with a single speaker harness from the amp only and not the way that Volvo added amps to the sedans and wago...

That one wire (yellow/black or yellow /violet)) is only like that on underfloor amplifiers which I am familiar with. The reason for that is all the speaker connections go directly from the amplifier to the the speakers. When an amplifier is added to the radios, it was done using a long NLA wiring h...