Axxess Gmos-04 Class 2 Data Interface For 2000 & Up Gm

• Provides accessory (12V 10A)
• Retains RAP & chimes
• Provides NAV outputs (parking brake/reverse/speed sense)
• Retains OnStar(R)/OE Bluetooth(R)
• Adjustable OnStar(R) level & chime volume
• Designed for amplified models
• Retains balance & fade
• High-level speaker input
• USB updateable
• Includes prewired ASWC-1 harness (ASWC-1 sold separately);