This PAC RadioPro4 RP4-CH11 interface lets you replace your vehicle's radio while retaining steering wheel control functions and helps preserve your factory amplified audio system to maintain sound quality.

PAC - RadioPro4 Radio Replacement Interface for Select Chrysler Vehicles - Blue

$99.99

Use this interface cable to replace the factory-installed in-dash deck in your vehicle and retain safety and warning chimes.

Scosche - In-Dash Deck Replacement Interface for Select Chevy, Pontiac and Saturn Vehicles - Blue

$99.99

Use this class 2 and GM Onstar interface to install aftermarket radios in GM class 2 cars with Onstar and built-in factory amplifier.

Axxess - Aftermarket Radio Installation Kit for Select GM Vehicles - Black

$104.99

Upgrade your vehicle's existing radio with this PAC RadioPRO5 RP5-GM51 interface, which features data-controlled outputs and retains OnStar Telematics system, front and rear park assist and other functions.

PAC - RadioPRO5 Interface for Most Vehicle Radios - Multi

$129.99

This PAC Radio PRO5 RP5-GM41 interface features preprogrammed SWC retention and VSS (vehicle speed sense), retained accessory power (R.A.P.), parking brake and illumination outputs, so you can easily upgrade your vehicle's stereo system.

PAC - Radio PRO5 Interface for Select Vehicles - Multi

$229.99

This BOSE® tuner bypass allows you to connect an aftermarket radio to your Cadillac or Chevrolet vehicle's harness. Color-coded and labeled wires provide easy connections.

Metra - BOSE® Tuner Bypass for Select Cadillac and Chevrolet Vehicles

$49.99

This line-out converter lets you connect devices such as a subwoofer, amplifier or video system to your in-dash deck by regulating the current and ensuring compatibility. The converter also creates a safety interlock for a video system in vehicles with no foot or parking brake.

PAC - Universal Trigger Output Module

$21.99

Connect an aftermarket radio to your Buick, Chevrolet or Pontiac vehicle with this tuner bypass that features ABS plastic, copper, vinyl and aluminum materials for a durable design.

Metra - Tuner Bypass for Select Buick, Chevrolet and Pontiac Vehicles

$49.99