AXGM-04 Amplified Data Interface for Select 2000-2013 GM Vehicles

Features:
Provides accessory power (12-volt 10-amp)
Retains R.A.P. (Retained Accessory Power)
Provides 12-volt illumination output
Used in non-amplified systems
Retains warning chimes
Provides NAV outputs (parking brake, reverse and speed sense)
Pre-wired AXSWC harness (AXSWC sold separately)
Retains OnStar / OE Bluetooth
Adjustable volume for chimes and OnStar
High-level speaker input
Micro-B USB updatable