PAC GM1A-RX — Serialized*** RadioPRO Advanced Radio installation Adapter for GM Class-2 Vehicles. Retains chimes Factory amplified
Key features
- RadioPRO Advanced replacement-radio adapter for GM Class II applications
- Retains compatible factory amplifier and audio fade
- Retains warning chimes through included speaker
- USB connection for firmware updates and setting adjustments
PAC GM1A-RX — Serialized*** RadioPRO Advanced Radio installation Adapter for GM Class-2 Vehicles. Retains chimes Factory amplified is backordered and will ship as soon as it is back in stock.
Description
Description
The PAC GM1A-RX RadioPRO Advanced interface retains compatible factory amplified audio and warning chimes during an aftermarket radio installation in select GM Class-2 vehicles.
Interface features
- Standard and premium Bose amplifier retention
- Warning chimes through an external speaker
- Audio-fade adjustment through the configuration application
- USB updating and settings access
- SWI-DIRECT connection for an optional steering-wheel-control interface
Know what is separate
Steering-wheel-control retention requires an additional compatible interface. Listed vehicle examples include 2003–2006 Chevrolet Silverado, Tahoe and Suburban and 2003–2006 GMC Yukon. Verify the exact factory system and module revision before installation.

