RP3-GM12 discontinued no longer available
Radio Replacement Interface for GM Vehicles with Class II databus and 24-pin harness.
High current 10A accessory output
Data-controlled outputs for connection to your navigation radio; speed, reverse, and E-brake status output wires.
Retains factory-installed amplifier (if equipped)
Data controlled RAP accessory output
Keeps vehicle data-bus intact for service
Plug-in-connection for steering wheel control module (SWI-RC, SWI-RC-1, or SWI-CP2)
In package updatable using the PAC-UP
Adjustable chime volume: 4 levels, and off