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RP4-GM31
Installation Steps
SET RADIO SELECT SWITCH
Alpine
1
*Other - Dual / Axxera, Jensen, Rockford Fosgate
1. The radio select rotary switch on the side of the interface must be adjusted to the proper radio setting before
plugging the interface into the vehicle.
2. Make all connections as described in the chart on page 1.
If there is a Bose® Audio system present: Connect the RCA inputs to the aftermarket radios pre-amp output. The audio
level will vary depending on the new radios pre-amp output voltage (2 - 4 volts is recommended).
If there is not a Bose® Audio system present: Cut the RCA inputs off and connect the aftermarket radios speaker outputs
to the remaining wire according to the chart on page 1.
3. Connect the SWC wire according to the chart on page 1 (aftermarket radio MUST support a wired remote input).
4. If you wish to reassign functions to the SWC, follow the programming instructions discussed later on this page.
Default Steering Wheel Control Programming
IMPORTANT! The interface comes pre-programmed for the functions listed in the chart below and does not require programming
unless you wish to re-assign the SWC functions to different buttons. The SWC can always be restored to default settings by
pressing the program button on the side of the interface once and waiting for the timeout.
Default SWC Button Assignments
Volume +
Volume -
Source
Track +
Track -
Answer/Voice
Mute/End
Optional Steering Wheel Control Programming
If you wish to re-assign the SWC functions or utilize short press long press dual command functionality, the interface must be
programmed in the specific order shown on the chart below. If you come across a function in the chart that your steering wheel
does not have, or you do not want to program, press and release the programming button on the side of the interface to skip that
function. The LED will flash off, and on confirming that you have successfully skipped that function and are ready to proceed to
the next one.
Short Press Long Press Dual Command Functionality
This feature allows you to assign two aftermarket radio functions to each of the vehicles SWC buttons. It can be used with as
many of the buttons as the user likes or none at all. When this functionality is implemented, quickly pressing and releasing a SWC
button will initiate the short press command while pressing and holding a SWC button for longer than two seconds, will initiate the
long press command. Please note that no long press commands are programmed by default. If you wish to assign dual command
functionality to the SWC, please follow the programming steps on the next page.
Pacific Accessory Corporation
Kenwood /
JVC
Lightning Audio
2
3
Alpine
JVC
Kenwood Clarion
Volume + Volume + Volume + Volume + Volume + Volume +
Volume -
Volume -
Volume -
Source
Source
Source
Track +
Track +
Track +
Track -
Track -
Track -
Receive
Receive
Receive
Mute/End Mute/End Mute/End Mute/End Mute/End Mute/End
© 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
Radio Replacement and Steering Wheel Control Interface
Clarion /
Pioneer /
Nakamichi
Other*
4
7
Pioneer
Volume -
Volume - Volume -
Source
Source
Search +
Track +
Search -
Track -
Receive
Receive
PAC-audio.com
for Select General Motors Vehicles
Sony
Fusion
8
Sony
Fusion
Volume +
Volume -
Source
Source
Track +
Track +
Track -
Track -
Answer/End N/P
Mute/End
Rev: 3
Date: 120618
9
Page 2
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