Facilitates replacement of a factory radio while retaining all factory safety warning chimes and audible turn signal indicators. Compatible with amplified and non-amplified audio systems.

• for GM 11-Bit Data Bus
• Retains all safety warning chimes
• Provides 10-minute RAP accessory output
• Compatible with all audio system levels
• Amplifier turn-on output wire
• Single wire output for steering wheel control module
• Retains audible turn signal indicators
• Provides illumination wire

 Compatibility:

• Does not retain OnStar. For OnStar retention please use the OS-311
• NOTE: Does not retain factory XM satellite radio