M Mark Active member Aug 12, 2009 #1 ...working.... dose any one know y? i have a 04 impala without onstar and i hooked everything to color coad and the sound wont work... i have been reading that you need a special wire Harness is this true
...working.... dose any one know y? i have a 04 impala without onstar and i hooked everything to color coad and the sound wont work... i have been reading that you need a special wire Harness is this true