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PAC ROEM-GM21

System Interface Kit to Replace Factory Radio and Integrate Factory Amplifiers for Select GM/Chevrolet Vehicles

PAC
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System interface to replace factory installed receivers and integrate factory amplifiers for older model GM/Chevrolet vehicles

See compatible vehicles Learn more about the roemgm21

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This item has been discontinued


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Description


PAC brand icon

Authorized dealer

Product Features:
  • System interface to replace factory installed receivers and integrate factory amplifiers
  • Easy Installation
  • Adjustable 4-channel RCA outputs that provide Line Level Matching
  • Isolated transformer inputs and outputs
  • Trigger wire included
  • For select GM/Chevrolet vehicles
  • Interface allows warning chimes to function
  • Maintains correct phasing
  • 20-20000 Hz outputs
  • 1-year SonicElectronix.com warranty

The PAC ROEM-GM21 is compatible with the following vehicles:

  • Buick:
    • 1988-1994 Le Sabre Park Avenue
    • 1990-1995 Riviera
    • 1991-1996 Roadmaster
  • Cadillac:
    • 1988-1993 Coupe Deville
    • 1988-1991 Eldorado
    • 1988-1993 Fleetwood
    • 1988-1991 Seville
  • Chevrolet:
    • 1990-1997 Camaro
    • 1991-1996 Caprice
    • 1990-1996 Corvette
    • 1990-1998 Lumina
  • Oldsmobile:
    • 1988-1993 Toronado
  • Pontiac:
    • 1992-1998 Bonneville
    • 1990-1997 Firebird

This ROEM Kit Includes the following:

Connections:
  • Yellow – 12V Constant
  • Red – 12V Accessory
  • Black - Ground
  • Orange – Dash Light Dimmer/Illumination
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2006 Audi S4 is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

PAC

Model Number:

ROEM-GM21

Weight:

0.50lbs

Internal SKU:

roemgm21

Internal Product ID:

11151

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.