About the PAC ROEM-GM21A Wiring Interface
Keep your Bose® system
Keep your Bose® system
You want to replace the radio in your GM vehicle, but you don't want to go through the hassle of replacing your vehicle's Bose® amplifier. PAC's ROEM-GM21A system interface bridges the gap between the Bose® system and your new receiver, allowing you to keep your Bose® system while upgrading your radio. Warranty: 1 year.
Note: If you haven't already, please enter your vehicle information or call a Sales Advisor at 1-888-955-6000 to find out if this adapter is compatible with your vehicle.
What's in the box:
PAC ROEM-GM21A Wiring Interface owner's manual
- Radio replacement interface module
- Vehicle harness
- Radio harness
- Instructions
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More details on the PAC ROEM-GM21A Wiring Interface

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Features
Radio Replacement Interface: The PAC ROEM-GM21A facilitates the replacement of the factory-installed Delco/Bose radio in select GM vehicles with an aftermarket stereo, while retaining the function of the factory amplified audio system.
Vehicle Compatibility: The PAC ROEM-GM21A is compatible with the following GM vehicles featuring the factory installed Bose audio system.
Make | Model | Year |
Cadillac | Escalade | 1999-2002 |
Chevy | Blazer (S-10) | 1999-2001 |
Suburban | 1998-2002 | |
Tahoe | 1998-2002 | |
GMC | ||
Jimmy | 1998-2001 | |
Yukon | 1998-2002 |
Adjustable Gain: This 4-channel radio replacement interface will allow your new aftermarket stereo's output to be adjusted to the input requirements of the existing factory installed amplifier, providing 2:1 gain and infinite attenuation.
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