FITS THE FOLLOWING VEHICLES: 
CADILLAC
Escalade  2015-2018
CHEVY
Camaro  2016-2018
Colorado  2015-2018
Corvette  2014-2019
Cruze  2017-2018
Equinox  2018
Impala (Non Classic)  2014-2016
Impala  2017-2019
Malibu (Non Classic)  2016
Malibu  2017-2018
Silverado  2014-2018
Silverado HD  2015-2019
Suburban  2015-2018
Tahoe  2015-2019
Traverse  2018-2019
GMC
Acadia  2018-2019
Canyon  2015-2018
Sierra  2014-2018
Sierra HD  2015-2019
Terrain  2018
Yukon  2015-2019
Yukon XL  2015-2019
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THIS 2 ITEM PACKAGE SHIPS WITH 
PAC AP4-GM61 Amplifier integration system +
PAC APH-GM02 Speaker wire harness 
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PLEASE READ: We have had returns for this product stating that it was difficult to install. Please note that these products are made for  professional installers and/or people that is knowledgeable in car audio systems. You need to make sure you understand your vehicle's connectors and speakers. The instructions provided are a general guide and not particularly will be a match to your vehicle's system or application. If you don't have experience with these type of installations, please contact a professional installer. 
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GENERAL FEATURES:
Today's modern vehicle audio systems are becoming increasingly more sophisticated and complex. PAC engineered AmpPRO to dramatically simplify the  installation of upgraded amplifiers in data-bus controlled amplified sound systems.
Simplify speaker wire connections when adding aftermarket amplifiers with our Speaker Connection Harness. Amplifiers can be easily added with no need to cut or modify a vehicle’s original wiring. 
What You Will Receive:
PAC Amplifier integration system
PAC Speaker wire harness
Wiring Harnesses
Bass knob
Knob harness
General Installation and Operation Instructions
Compatibility Requirements/Notes:
Must have BOSE factory sound system.
The  installation of this interface is done at the radio module. The radio module can be located in various places throughout the different models of vehicles. The installation instructions provides information to find this location for your specific application.
Must have Infotainment system RPO code IO5 or IO6 to be compatible.
To verify the "IO" RPO code on your vehicle, check the glove compartment or spare tire well for a silver sticker with these codes. If this sticker is not present, you must scan the QR code on the GM label found in the driver's door jamb. The RPO codes will be listed in alphabetical order in either scenario.
Benefits:
Factory sound system upgrade
Time saving design
Prevents need for summing and audio correction devices
Reliable PAC quality
Product Features:
Upgrade solution for factory, fixed level, data-bus controlled sound systems
Time-saving design, prevents need for summing and audio correction devices
Variable volume, fade, balance, bass, mid, and treble audio settings
Retains OnStar, Bluetooth, navigation, safety systems, and all warning chimes
Front, rear, sub , and center channel preamp outputs (5 volt RMS)
Provides full range, flat audio output for a solid audio foundation
Customized OE bass, mid, and treble center frequency selection
Plug-n-play installation
Remote sub level controller INCLUDED
Can be used for other installations requiring plug-n-play speaker wire connections
Easily add amplifiers without cutting or modifying the vehicle’s original wiring
Provides a plug-n-play connection at the vehicle’s original amplifier location
Saves time by quickly utilizing the original speaker wires
Harness length 18"
***Only compatible with the above listed vehicles***
Additional Notes
Upon request, with your purchase, we will email you a diagram that shows how to remove the factory radio (if available). This is what most consider is the hardest part of the installation. With this diagram; installation is a piece of cake.
If you have any questions or concerns with the product please feel free to contact us at Ask Seller a Question so we can assist with any technical or customer support to resolve any issues.
Vehicles NOT made for the U.S. market are not compatible and are not guaranteed.
Also visit our eBay store for more Car Audio and iPod accessories.