Pac Radio Replacement Interface For Select Gm Vehicles (class Ii Databus)

High-current 10A accessory output Data-controlled outputs for connection to navigation radio--speed reverse & E-brake status output wires Retains factory-installed amp (if equipped) Data-controlled RAP accessory output Keeps vehicle databus intact for service Plug-in connection for steering wheel control module (SWI-RC or SWI-X) Adjustable chime volume: 4 levels & off Interface can be quickly updated if needed from PAC(R) website using PAC-UP USB adapter Includes RadioPro3 module plug & play vehicle connection harness & instruction manual For GM(R) vehicles with Class II databus & 24-pin harness