The Crux SWRGM-49 Radio Replacement Interface with chime function and steering wheel control retention is used on GM LAN 29-Bit vehicles with BOSE Amplified & Non Amplified Systems to replace the OEM radio with an aftermarket radio.
Retains factory features in select GM LAN 29 Bit vehicles while functioning with an aftermarket radio; Pre-programmed to retain factory Steering Wheel Controls; Supports Bose amplified, non-amplified and Y-91 audio systems; Retains chime functions; Retains factory back-up camera (if present)