PAC LPHGM51 LocPro Advanced T-Harness for Non-Amplified 2014-19 GM VehiclesBRAND NEW PAC LPHGM51 LocPro Advanced T Harness for Select GM Vehicles 2014 19 w Non Amplified System Key Features: T harness for adding an amp to a non amplified system Fits select 2014 19 GM built vehicles 4 channels of speaker level signals from factory radio Low power 12 volt, ground, accessory, and remote turn on connections In line fuse on 12V power wire Remote turn on signal output with butt connector Works with PAC LocPro Advanced line output