Color code for wiring diagrams for Pioneer car stereo?

Dont know if this will help but 106 handbook shows two 8 way block connectors marked A and B. A4 +permanent B1 +right hand rear speakers A6 +parking lights B2 -right hand rear speakers A7 +accessories B3 +right hand front speakers A8 earth B4 -right hand front speakers B5 +left hand front speakers B6 -left hand front speakers B7 +left hand rear speakers B8 -left hand rear speakers