Introduction
The PAC RP5-GM31 Radio Replacement Interface is designed to facilitate the installation of an aftermarket radio in select GM LAN vehicles while retaining essential factory features. This interface ensures the continued functionality of OnStar, steering wheel controls, and provides navigation outputs, offering a seamless integration solution for your vehicle's audio system upgrade.
What's in the Box
- PAC RP5-GM31 Interface Module
- Wiring Harnesses
- Antenna Adapter
- Product Manual (this document)
- Additional components as required for specific vehicle models
Figure 1: Components included with the PAC RP5-GM31 interface.
Setup and Installation
Installation of the PAC RP5-GM31 requires technical knowledge of automotive electrical systems. It is recommended that installation be performed by a qualified professional.
- Preparation: Disconnect the vehicle's negative battery terminal before beginning any electrical work.
- Wiring Connections: Connect the RP5-GM31 wiring harnesses to your new aftermarket radio's harness. Ensure all connections are secure and insulated. Refer to the detailed wiring diagrams provided in the official User Manual (PDF) for specific wire color codes and functions.
- DIP Switch Configuration: Configure the DIP switches on the RP5-GM31 module according to your specific vehicle model and aftermarket radio. Incorrect DIP switch settings can lead to improper functionality. Consult the official User Manual (PDF) for the correct settings.
- Module Placement: Secure the RP5-GM31 module in a safe, dry location behind the dashboard, ensuring it does not interfere with other vehicle components.
- Testing: Reconnect the vehicle's battery. Test all functions of the aftermarket radio, including audio, steering wheel controls, OnStar, and navigation outputs, before fully reassembling the dashboard.
For comprehensive, step-by-step installation instructions and detailed wiring diagrams, please refer to the official User Manual (PDF) provided by PAC.
Operating Features
The PAC RP5-GM31 interface is designed to maintain key factory features after installing an aftermarket radio:
- OnStar Retention: Retains full OnStar functionality when the factory radio is replaced.
- Steering Wheel Control Retention: Allows continued use of factory steering wheel audio controls with your new aftermarket radio.
- Navigation Outputs: Provides essential navigation outputs such as parking brake, reverse wire, and vehicle speed sense (VSS) for compatible aftermarket navigation systems.
- Factory Bluetooth Retention: For 2009 and newer model vehicles, the factory Bluetooth system is retained.
- Rear Seat Audio Controls: Retains the functionality of rear seat audio controls.
- Dual Zone Function: Supports dual zone audio functionality.
- Illumination Output: Provides an illumination output for aftermarket radio integration.
- Parking Brake Output: Provides a parking brake output signal.
Maintenance
The PAC RP5-GM31 interface module is a sealed electronic device and requires minimal maintenance. Ensure it is installed in a dry environment, away from excessive heat, moisture, and direct sunlight. Do not attempt to open or repair the module, as this will void the warranty.
Troubleshooting
If you encounter issues with your PAC RP5-GM31 interface, please consult the official Troubleshooting Guide (PDF) for detailed solutions. Common issues and their potential causes include:
- No Power to Aftermarket Radio: Check all power connections and vehicle fuses. Verify the RP5-GM31 module is receiving power.
- Steering Wheel Controls Not Functioning: Ensure DIP switch settings are correct for your vehicle and radio. Verify the steering wheel control wires are properly connected. Some aftermarket radios may require specific programming for steering wheel controls.
- No Audio or Intermittent Audio: Check speaker wire connections and ensure the factory amplifier (if present) is properly integrated.
- OnStar Not Working: Verify all OnStar related connections are secure and the module is correctly configured.
- Chime Volume Issues: The chime generator's volume may vary. Refer to the troubleshooting guide for potential adjustments or solutions.
For further assistance, contact PAC technical support.
Specifications
| Feature | Detail |
|---|---|
| Brand | PAC |
| Model | RP5-GM31 |
| Material | Alloy Steel |
| Item Dimensions (L x W x H) | 1 x 4 x 1.5 inches |
| Item Weight | 0.96 ounces |
| Cable Type | Proprietary data and power cables |
| Manufacturer | AAMP OF AMERICA |
| UPC | 809188493242, 190283086638, 606523109246, 804066826648, 807032937836 |
| Voltage | 1.5 Volts |
| Country of Origin | China |
Warranty and Support
For information regarding product warranty, please refer to the documentation included with your purchase or visit the official PAC website. For technical support, installation assistance, or troubleshooting beyond this manual, please contact PAC customer service directly.
Important Safety Information
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Always ensure proper ventilation during installation and handling. Follow all local and national electrical codes and safety guidelines.
