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SWRGM-49R | Radio Replacement Interface with Steering Wheel Control Retention for GM Vehicles 2019 - Up

The CRUX SWRGM-49R is a Radio Replacement interface for select General Motors vehicles 2019 - Up that are equipped with a 56 pin connector for the headunit. It facilitates the integration of an after-market radio to retain factory features in GM IOR bus vehicles. This enhanced interface is also pre-programmed for retention of steering wheel controls.

– Retains chime functions.
– Pre-programmed to retain factory Steering Wheel Controls
– RAP (Retained Accessory Power).
– Provides illumination, parking brake, reverse, and speed sense outputs.
– Made for non-amplified vehicles or vehicles that will have their amps bypassed.
– Retains factory back-up camera. (Excluding Camaro (IOR) 2019-Up


– Does not retain Bose amplifier.
– Does not retain OnStar.


2019-Up   Camaro*
2019-Up   Colorado
2019          Cruze
2019-Up   Equinox*
2019-Up   Malibu*
2019-Up   Silverado*
2019-Up   Sonic
2019-Up   Spark

2019-Up  Canyon
2019-Up  Sierra 1500*
2019-Up  Terrain*

*USE GM49R-EXT, 5 foot Extension Harness is used with GM IOR in cases where the Radio Control Module is located at front
passenger side (by the door hinge). Sold separately


Compatible with the following radio codes: IOS, IOT, or IOU
Note: The radio code can be found in the Glove Box.
Note: Newer model GM vehicles are now using a QR code label. If the Service Parts Identification Label is not located in the Glove Box, reference the Vehicle Certification Label on the driver’s door jamb opening for the QR code.