PAC OS-311B OnStar® Radio Replacement Interface for Select 11-bit LAN General Motors Vehicles Diamond Audio Marine Audio Ultra-compact housings - achieved by

Ultra-compact housings - achieved by recessing transformers into the circuit board

and E-brake status output wires

UV radiation and abrasion

5D - HEX 5-Channel Full Range Class D Amplifier

PAC OS-311B OnStar® Radio Replacement Interface for Select 11-bit LAN General Motors Vehicles Diamond Audio Marine Audio Ultra-compact housings - achieved byDescription Retains OnStar system functionality when the factory radio is replaced in an 11 bit GMLAN vehicle. Generates all safety warning chimes and audible turn signal indicators. Features: Radio Replacement Retention Interface for Select 2004 2009 GMLAN 11Bit Vehicles with OnStar Plug and play interface Provides an accessory turn on wire and retains the factory Retained Accessory Power (RAP) feature Provides a steering wheel control wire output