PAC RP4-GM31 Radiopro4 Stereo Replacement Interface with Steering Wheel Controls for Select GM Vehicles with Canbus

The PAC RP4GM31 Radio Replacement Interface is a high-quality vehicle integration module designed to let you install an aftermarket head unit into select 2006–2020 General Motors cars, trucks, and SUVs that use the GM LAN 29-bit data bus. It serves as a radio replacement interface and steering wheel control (SWC) adapter, preserving key factory functions while enabling modern stereo systems to work seamlessly with your vehicle’s electronics. The module comes pre-programmed to retain SWC and also provides data-controlled accessory, navigation, and amplifier outputs needed for a clean, professional aftermarket install without sacrificing functionality.