Compatibility:
• Designed for select 2014-2019 GM vehicles with factory amplified (Bose or premium) systems
• Works seamlessly with PAC AmpPRO AP4-GM61 and similar integration modules
• Fits select Cadillac, Chevrolet, and GMC models — including Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, Camaro, Malibu, Impala, and Corvette
Main Features:
• Plug-and-play connection at factory amplifier location
• Provides speaker-level outputs without cutting or splicing OEM wiring
• Maintains OEM signal routing — reversible installation
• Includes both male and female connectors to preserve OEM wiring integrity
• Harness length approximately 18″
• Compatible with both factory and aftermarket amplifiers
Wire Configuration (Typical):
• White (+) / White-Black (–): Front Left Speaker
• Gray (+) / Gray-Black (–): Front Right Speaker
• Green (+) / Green-Black (–): Rear Left Speaker
• Purple (+) / Purple-Black (–): Rear Right Speaker
• Blue (+) / Blue-Black (–): Subwoofer Output
• Black: Ground Pass-Through
• Yellow: Constant 12 V Pass-Through
Installation Notes:
• Connects directly to factory amp harness—no cutting required
• Use with AP4-GM61 for RCA pre-outs or DSP integration
• Retains full OEM chime, Bluetooth, and warning functions when paired with AmpPRO
• Recommended to verify wire polarity and output channels before final installation
• Suitable for vehicles with medium-speed GM LAN bus systems
Package Includes:
• APH-GM02 harness assembly
• Installation guide
