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PAC AMP-GM21A

Cable to Connect Aftermarket Stereos to Factory Amplifiers in Select 1998-2002 GM Vehicles

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Cable used to connect aftermarket stereos to factory amplifiers • Compatible with select 1998-2002 GM vehicles • Used with the PAC-OEM 1

Learn more about the ampgm21a

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This item has been discontinued


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Description


PAC brand icon

Authorized dealer

Harness Features:
  • Cable used to connect aftermarket stereos to factory amplifiers
  • Compatible with select 1998 - 2002 GM vehicles with Bose sound systems
    • Also Requires PAC OEM-1 for an easy upgrade of a factory "premium" sound system
  • 1-year Manufacturer's warranty
Compatibility List
  • Cadillac:
    • 1999-2002 Escalade
  • Chevrolet:
    • 1998-2002 Suburban
    • 1998-2002 Tahoe
    • 1998-2002 Blazer
    • Note: The 2001-2002 Tahoe non Bose requires the PAC AMP-GM21D
  • GMC:
    • 1998-2002 Suburban
    • 1998-2002 Yukon
    • 1998-2002 Jimmy
    • 1998-2002 Envoy
    • 1998-2002 Denali
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 (-)

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Item Details


Manufacturer:

PAC

Model Number:

AMP-GM21A

Weight:

0.90lbs

Internal SKU:

ampgm21a

Internal Product ID:

5925

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.