PAC C2R-GM11b Radio Replacement Interface for 04 & UP GM Vehicles (C2RGM11b)

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.

• Retains all safety warning chimes
• Amplifier turn-on output wire
• Provides 10-minute RAP accessory output
• Single wire output for steering wheel control module
• Compatible with all audio system levels

• Click here for the C2R-GM11b Instruction Manual

• Does not retain OnStar. For OnStar retention please use the OS-311b
• Click here for the C2R-GM11b Compatibility Chart