RP5-GM32
Radio Replacement Interface with
Steering Wheel Control and Telematics Retention
For select General Motors Vehicles
With 29 Bit Data Systems
© 2021 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
Pacific Accessory Corporation
Rev: V1
Date: 12/17/2021
Page 1
Introduction and Features
Important Notes
1. Aftermarket radio must have an auxiliary input in order to retain RSE audio with additional harness sold separately. Part#
(GMRVD2).
2. Aftermarket radios with a 2-wire resistive based SWC circuit will not have default button assignments programmed. Please
refer to the owners manual of the radio you are installing to nd out the proper SWC programming procedure.
3. If the vehicle chimes when the radio is removed, the CMX is not necessary. In order to get the best possible sound out of the
CMX, please mount it in a place free and clear of any obstructions, preferably as close as possible to the bottom of the dash
pointing down toward the oor of the vehicle.
Module Layout
Programming Button
USB Port
Radio Select DIP switches
Interface Connector 4
Adjustment Dial
Module Status LED 1
USB Status LED 2
Interface Connector 1
Not Used
Interface Connector 2
Amplied Audio Output Connector 3
Non-Amplied Audio Connector 3
The RP5-GM32 interface allows the replacement of a factory radio in select General Motors vehicles with 29 Bit Data-Bus. Using
this interface will retain factory features such as Warning Chimes, Bose Amplier, Steering Wheel Controls (SWC), Rear Seat
Entertainment (RSE), and Rear Seat Controls (RSC) when the original radio is removed. The RP5-GM32 provides data bus driven
outputs such as retained accessory power (RAP), vehicle speed signal (VSS), illumination, reverse trigger and parking brake.
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