PAC GM1A-RX GM Radio Replacement Interface for GM Vehicles
🚗 Upgrade Your GM Stereo While Keeping Essential Factory Features. The PAC GM1A-RXGM Radio Replacement Interface simplifies aftermarket stereo installation in select General Motors vehicles.
This GM radio replacement interface connects compatible aftermarket receivers with the factory Class II data bus system.
Enjoy modern entertainment while preserving important original audio functions.
🔊 Advanced Factory Feature Retention
The PAC GM1A-RX helps maintain essential vehicle functions when replacing your original radio.
Key features include:
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✅ Retains factory warning chimes.
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✅ Supports standard and premium Bose amplifiers.
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✅ Includes an external warning chime speaker.
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✅ Provides SWI-DIRECT connectivity for optional steering wheel control retention.
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✅ Supports audio fade adjustments through RadioPRO software.
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✅ Provides retained accessory power (RAP).
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✅ Includes vehicle speed signal (VSS) output.
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✅ Supplies illumination, reverse, and parking brake outputs.
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✅ Features a streamlined installation harness.
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✅ Supports USB firmware updates.
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✅ Includes a compact interface module.
🎵 Keep Your Factory Bose Amplifier
Upgrade your factory stereo without automatically replacing your compatible Bose amplifier.
The interface supports standard and premium Bose factory audio systems.
Compatible premium systems allow amplifier level adjustments for improved integration.
Audio fade settings can be configured using PAC RadioPRO software.
🎛️ Optional Steering Wheel Control Retention
Keep compatible steering wheel audio controls with an additional PAC steering wheel control interface.
Supported accessories include the SWI-RC-1 and SWI-CP2, sold separately.
These accessories help maintain convenient volume and track controls.
🔧 Simplified Aftermarket Radio Installation
The GM stereo installation harness integrates compatible receivers with supported vehicle electronics.
Its streamlined wiring and compact housing help simplify installation.
USB connectivity supports firmware updates and configuration adjustments.
Professional installation is recommended for reliable connections.
🚙 Vehicle Compatibility
Designed for select 2000–2013 General Motors vehicles with compatible Class II data bus systems.
Applications include certain Chevrolet, GMC, Cadillac, Buick, Pontiac, and Hummer vehicles.
Fitment depends on vehicle year, model, factory equipment, and connector configuration.
Important: This interface does not retain OnStar or rear-seat entertainment audio.
Always verify compatibility before purchasing.
🔊 Complete Your Vehicle Upgrade
Pair your aftermarket receiver with premium Car Speakers for improved sound quality.
Explore professional Car Window Tinting for additional privacy, comfort, and interior protection.
❓ Frequently Asked Questions
1. Does the PAC GM1A-RX retain factory Bose amplifiers?
Yes. It supports compatible standard and premium Bose factory audio systems.
2. Does this interface retain steering wheel controls?
Yes, with an additional compatible PAC steering wheel control adapter, sold separately.
3. Does the PAC GM1A-RX retain OnStar functionality?
No. This interface does not retain OnStar.
Consider the compatible GM1A-RT or GM1A-RST when OnStar retention is required.
