Wiring Harness '06-11 Select Gmc/pontiac;pioneer Plug

FOR SELECT 2006 - 11 GM VEHICLES WITH PIONEER AUDIO SYSTEMS.
BY REMOVING THE FACTORY RADIO IN THESE VEHICLES, THE ONSTAR FUNCTION
+ FACTORY WARNING CHIME FEATURE WILL BE LOST.
THE GWH406PIO INCLUDES 2 PLUG/HARNESSES AND A RED WIRE FOR 12V ACC.