Thanks for the reply. Honestly I did not check to make sure the wires went to the appropriate pin, as this plugs into the harness I bought so there was no splicing into factory wiring. Just plugged it in and the stereo worked perfectly. IIRC when I tried it in my monte carlo I did check and the wiring was correct. I did reset it and tried the manual remapping with no success. I checked alpines site and I believe the stereo should accept the unit correctly. Has to be something else i'm not doing right here.
