PAC GM1A-RT RadioPRO GM Radio Replacement Interface for GM Vehicles
🚗 Upgrade Your GM Stereo While Retaining OnStar and Factory Features. The PAC GM1A-RT GM Radio Replacement Interface simplifies aftermarket stereo installation in select General Motors vehicles.
This GM radio replacement interface integrates compatible receivers with the vehicle's factory Class II data bus system.
Enjoy upgraded entertainment while preserving essential factory audio and communication features.
🔊 Advanced Factory Feature Retention
The PAC GM1A-RT maintains important vehicle functions when replacing your original radio.
Key features include:
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✅ Retains compatible factory OnStar functionality.
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✅ Supports standard and premium Bose amplifiers.
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✅ Preserves factory warning chimes.
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✅ Plays warning chimes through the audio system or supplied speaker.
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✅ Retains compatible rear-seat entertainment systems.
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✅ Supports real-time audio fading.
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✅ Provides adjustable premium Bose amplifier settings.
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✅ Includes retained accessory power output.
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✅ Provides vehicle speed and reverse trigger outputs.
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✅ Supports USB firmware updates.
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✅ Features a streamlined installation harness.
🎵 Keep Your Factory Bose Amplifier
Upgrade your factory stereo without automatically replacing your compatible Bose amplifier.
The interface supports standard and premium Bose factory sound systems.
Compatible premium systems allow gain, bass, midrange, and treble adjustments through RadioPRO software.
Enjoy modern receiver features while maintaining supported factory audio equipment.
📞 Retain Factory OnStar Communication
Maintain compatible OnStar functions when upgrading your factory radio.
The interface preserves supported communication features and allows OnStar volume adjustments.
Active OnStar services may require a separate subscription.
🎛️ Optional Steering Wheel Control Retention
Factory steering wheel audio controls require an additional compatible PAC steering wheel control interface.
Supported accessories include the PAC SWI-RC or SWI-CP2.
These accessories are sold separately.
🔧 Simplified Aftermarket Radio Installation
The GM stereo installation harness connects compatible receivers with supported vehicle electronics.
Its compact design helps simplify wiring and installation.
USB connectivity supports firmware updates and configuration adjustments.
Professional installation is recommended for proper integration.
🚙 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.
Always verify compatibility before purchasing.
🔊 Complete Your Vehicle Upgrade
Pair your aftermarket receiver with premium Car Speakers for improved audio performance.
Explore professional Car Window Tinting for enhanced comfort, privacy, and interior protection.
❓ Frequently Asked Questions
1. Does the PAC GM1A-RT retain factory OnStar functionality?
Yes. It preserves supported OnStar features when installing a compatible aftermarket stereo.
2. Can this interface retain my factory Bose amplifier?
Yes. It supports compatible standard and premium Bose factory audio systems.
3. Does the PAC GM1A-RT retain steering wheel controls?
Yes, with an additional compatible PAC steering wheel control interface, sold separately.
