Scosche LPGM35, 2004-Up GM Lan Link + Interface

The LPGM35 allows you to replace your factory OEM stereo while retaining factory steering wheel controls, if the vehicle is equipped. This interface will maintain the data-controlled +12V accessory output as well as provide navigation outputs for reverse, vehicle speed pulse and park brake. Provides analog +12V output for variable dash illumination and analog pulse output for vehicle speed, reverse trigger and ground output for parking brake engagement. Retains steering wheel, phone control buttons (for compatible radios) and standard Bose systems (if equipped). Does not retain GM OnStar. Includes universal head unit steering wheel connection harness for most aftermarket brands: Alpine, Clarion, JVC, Kenwood, Pioneer, Sony, and more. USB updates via Scosche RFM (Sold Separately). Not for use on vehicles with Digital Bose systems(Y91/Z75) 2004-Up GM Lan B Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, Saturn LINK+ Interface with Bose and Steering Wheel Control Reten