bought on ebay need to know color codes for head unit already have harness for vehicle. dont know functions of wires on head unit. went to clarion they didnt have anything for me there. not very good at this stuff so all help would be nice thanks
Google the model number with 'wire harness' in the search field. You should be able to find a picture of the harness there, and from that point you can see which pins go to each wire.