Hello, I just recently picked up a 1997 Camaro ss. Long story short, I have a factory radio and aftermarket speakers. This is a standard system, not a Bose or monsoon. Rear drivers side speaker works, rear pass side doesn’t. (Confirmed speaker wasn’t shot by plugging into drivers side harness and it worked fine) Drivers side has 6volts and pass side has 1volt. I pulled pass side, bottom trim off sill plate area and from what I can see (didn’t check all the wire but some) it appears to be fine. It’s nice and dry in there, no rust etc. I checked for power at the harness in the head unit while radio was on and had 6volts for that rear pass side power wire. So is my issue the factory head unit or is it still possible the wires damaged somewhere? Thanks in advanced for the help!