Originally Posted by TerminatorX5

the three pin connector for Cd-changer (power and I-bus) is there regardless of what kind DSP it is...

what about the 6-pin connector that is part of the car's harness? would it be in a car equipped with 100% digital DSP?

If the answer is - no, then the presense of the 6-pin connector could tell if the CD-changer used the analog connection and the absence of thereof would tell us the CD-changer used digital connection

If the answer is - yes, then we are back to what Tom had suggested in the first place.

Right?