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PAC ROEM-GM21A Wiring Interface

Connect a new radio and retain the Bose® system in select 1999-02 GM vehicles

Item # 541GM21A

You want to replace the radio in your GM vehicle, but you don't want to go through the hassle of replacing your...

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You want to replace the radio in your GM vehicle, but you don't want to go through the hassle of replacing your...

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Item # 541GM21A

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$49.99

About the PAC ROEM-GM21A Wiring Interface

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.

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.

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What's in the box:

  • Radio replacement interface module
  • Vehicle harness
  • Radio harness
  • Instructions
MFR #ROEM-GM21A

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Crutchfield response

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More details on the PAC ROEM-GM21A Wiring Interface

Stacey B.

Product Research

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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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
So that my Bose system and steering wheel control will still work [ GREGORY  Dec 28, 2018 ]
A
Needed it. [ sarah  Jul 17, 2018 ]
A
It was needed. [ Brandon  May 17, 2018 ]
A
want subs in my whip [ Ranger  Feb 23, 2018 ]
A
so i dont mess up the factory amp [ Jonathan  Nov 22, 2016 ]
A
its required for full operational interface to vehicle [ james  Jun 08, 2016 ]
A
Only way to do it [ Devin  May 01, 2016 ]
A
Needed for install [ H  Jan 14, 2016 ]
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3 questions already asked

Q
Will it still work with a six disc CD player??
[ TeeTee  Jun 16, 2018 ]
2 answers
A
Factory CD changers will not be retained when a new stereo is installed.
[ Ryan  Jun 20, 2018 ]  Staff
A
if you mean the cd that come originally it will bypass the unit cause you are using the aftermarket radio with this adapter
[ Juan  Jun 16, 2018 ]
Q
this for an 02 escalade ext?
[ dan  Mar 19, 2017 ]
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will integrate and what you will need for an installation in your vehicle.
[ Kenny  Mar 20, 2017 ]  Staff
Q
Will this item work on a 99 gran prix with Bose system with out onstar?
[ Maurice  Jun 06, 2016 ]
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
[ Kenny  Jun 06, 2016 ]  Staff

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