Upgrade your factory radio without sacrificing important vehicle features with the PAC OS2-GM32X Radio Replacement Interface. Designed specifically for select 2000-2005 Cadillac vehicles equipped with OnStar® and a 32-pin factory connector, this interface allows installation of an aftermarket radio while retaining factory OnStar functionality, Bose® audio systems (when equipped), safety chimes, and key vehicle data connections. The OS2-GM32X provides a true plug-and-play installation solution, reducing installation time and eliminating the need for extensive vehicle modifications. Features Radio Replacement Interface for Select Cadillac Vehicles Retains Factory OnStar® Functionality Retains Bose® Amplified Audio Systems (When Equipped) Preserves Factory Warning Chimes Provides 10-Amp Accessory Output Retains Critical Vehicle Features During Radio Upgrades Plug-and-Play Installation Design Compatible with Aftermarket Navigation Radios Steering Wheel Control Compatible with Optional PAC SWI Modules Saves Installation Time and Reduces Wiring Complexity Vehicle Compatibility Fits Select Cadillac Vehicles Equipped with OnStar® and 32-Pin Factory Connectors: Cadillac DeVille (2000-2005) Cadillac Seville (2000-2003) Specifications Part Number: OS2-GM32X Product Type: Radio Replacement Interface Data Protocol: GM Class 2 Accessory Output: 12V / 10 Amp Factory Amplifier Retention: Yes OnStar Retention: Yes Warning Chime Retention: Yes Steering Wheel Control Compatibility: Yes (with optional PAC SWI-CP2) Installation Type: Plug-and-Play Navigation Outputs The OS2-GM32X provides the necessary outputs required for aftermarket multimedia and navigation radios, including: Vehicle Speed Sense (VSS) Reverse Trigger Output Parking Brake Output Illumination Output Accessory Power Output