I've tried simply connecting the LOC to the wiring in the back of the stock h/u and also tried going off the 6x9's in the trunk, both of which failed. So I chatted it up with a friend who has a more considerable amount of knowledge and he said more than likely imma have to "bypass" the factory...
08' Colbalt w/ Factory Pioneer system
alright well thanks for the diagrams but i just found out that im working on the 08' cobalt with a stock pioneer system. Ive been having quite a bit of trouble trying to connect the LOC...(ive tried the wiring in back of the stock head unit and going off...