PAC RP3-GM13 — RADIO PRO3 CLASS II CHIME RETENTION MODULE W/10A ACCESSORY DOCK/LOCK CONNECTOR
Key features
- RadioPRO 3 interface for compatible GM Class II vehicles
- Harness-dock connector application
- Retains compatible factory amplifier and retained-accessory power
- VSS, reverse and parking-brake navigation outputs
- Adjustable warning-chime volume
- Connection for a separate SWI-RC, SWI-RC-1 or SWI-CP2 control interface
PAC RP3-GM13 — RADIO PRO3 CLASS II CHIME RETENTION MODULE W/10A ACCESSORY DOCK/LOCK CONNECTOR is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Keep key factory functions connected when replacing a compatible GM radio with the PAC RP3-GM13 radio replacement interface. It supports Class II databus vehicles with a harness dock, retains the factory amplifier if equipped, and provides data-controlled outputs for navigation radio connections.
Key Features & Benefits
- Factory chime retention: Choose low, medium, high, or off to set the chime volume.
- Navigation outputs: Speed, reverse, and E-brake status wires provide vehicle data for a navigation radio.
- RAP accessory output: A data-controlled output retains the vehicle’s RAP accessory function.
- Steering wheel control connection: A plug-in connection supports SWI-RC, SWI-RC-1, or SWI-CP2 modules.
- Service-friendly databus: The interface keeps the vehicle data-bus intact for service.
- Update capability: Update the interface from the PAC website using a PAC-UP USB adapter.
Technical Specifications
| Brand | PAC |
|---|---|
| Model | RP3-GM13 |
| Product type | Radio replacement interface |
| Vehicle databus | Class II |
| Vehicle connection | Harness dock |
| Accessory connector | 10A accessory dock/lock connector |
| Navigation radio outputs | Speed, reverse, and E-brake status output wires |
| Factory amplifier retention | Retains factory-installed amplifier, if equipped |
| RAP output | Data-controlled accessory output |
| Steering wheel control module connection | Plug-in connection for SWI-RC, SWI-RC-1, or SWI-CP2 |
| Chime volume settings | Low, medium, high, and off |
| Update adapter | PAC-UP USB adapter |
| Patents | # 8,014,540 & 8,184,825 |
Why Choose This Product?
The RP3-GM13 brings several vehicle signals and retained functions together in a radio replacement interface. Its chime adjustments let you select a sound level that suits your preference, while the navigation outputs provide speed, reverse, and E-brake status connections.
Installation & Compatibility Notes
Confirm that your GM vehicle uses a Class II databus and the required harness dock before choosing this interface. Factory amplifier retention applies if the vehicle is equipped with one. A PAC-UP USB adapter is used for updates; the steering wheel control connection supports the listed modules.
Frequently Asked Questions
Which vehicles is the PAC RP3-GM13 intended for?
It is described for GM vehicles with a Class II databus and harness dock. Check your vehicle’s requirements before purchase.
Does this interface retain the factory amplifier?
Yes, it retains the factory-installed amplifier if the vehicle is equipped with one.
Which steering wheel control modules can connect?
The plug-in connection supports the SWI-RC, SWI-RC-1, or SWI-CP2.
How can I adjust the chime volume?
Choose from low, medium, high, or off.
Explore More
For radio replacement planning, explore the PAC RP3-GM13 at 12 Volt Outlet. Want to learn more about PAC? Explore our PAC brand profile.

