PAC LPHGM51 LocPro Advanced AUDIO INTEGRATION T-HARNESS / 2014-2019 GM VEHICLES

Universal GM Vehicle Specific Audio Integration T-Harness. 2015-2017, 2019 GMC SIERRA HD ALL TRIM LEVELS —. 2015-2017, 2019 GMC YUKON XL ALL TRIM LEVELS —. This harness is only compatible when the vehicle has an "IO5" or "IO6" RPO code.