LCGM51

Low Cost Radio Replacement Interface for Select General Motors Vehicles   Radio Replacement Interface for select non-amplified 29-Bit GM LAN v2 vehicles with 20-Pin and 16-Pin harnesses Retains all safety warning chimes when the factory radio is replaced Provides 10-minute RAP accessory output Retains factory reverse camera when used in conjunction with the CAM-GM51 Only compatible in vehicles with IO3, IO4, IO5, or IO6 RPO code . Vehicles that have the IOA or IOB RPO code must use the LCGM52. RPO codes can be found on a silver sticker either in the glove box or in the trunk near the spare tire well.