PAC LCGM24 Radio Replacement Interface for Non-Amplified GM Vehicles - Class II Car Stereo Accessory | Easy Installation & Enhanced Sound for Chevy, GMC, Buick & Cadillac

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(R) website using PAC-UP USB adapter; For select nonamplified Class II GM(R) vehicles; 24-pin connector; Includes 1 LCGM24 module, 1 plug & play vehicle connection harness & 1 instruction manual