PAC LCGM51
Features Retains all safety warning chimes when factory radio is replaced.; Provides 10-min RAP accessory output.; Interface can be quickly updated if needed from PAC website using PAC-UP USB adapter; For select nonamplified 29-bit GM LAN v2 Radios with 20-pin & 16-pin harnesses like Chevrolet Silverado 2014, Suburban 2015, Tahoe 2015, GMC® Sierra 2014 & Yukon 2015.; Includes LCGM51 module, plug & play vehicle connection harness & instruction manual.; .