Pioneer DEH-2100 CD Player "vy car audio wiring" Questions

wiring diagram need a wiring diagram for a vy holden commodore instaling a pioneer head unit can u please help nae luck haha

hey im trying to install a kenwood kdc-139 in to a 2003 vy holden ute and am trying to figure out why it is not working the stereo is brand new and i have matched up the wires correctly, i was just ...

...VY commodore. I installed it myself with the right wiring harness but the head unit doesn't remember settings or band settings. Also when the head unit turns on my aerial doesn't go up. Thanks for ...