Pacific Accessory Corporation
Radio Replacement & Steering Wheel Control Interface
with OnStar Retention for General Motors Vehicles
RP5-GM11
Rev. 092117
Page 1
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Introduction & Features
Important Notes
Wiring Connection Chart
Illustration / Schematic
The RP5-GM11 interface allows the replacement of a factory radio in select General Motors vehicles with Class II radios.
Using this interface will retain factory features such as OnStar, steering wheel controls (SWC), warning chimes, Rear
Seat Controls (RSC), Rear Seat Entertainment (RSE) and the BOSE amplifier when the original radio is removed. The
RP5-GM11 also provides data bus driven outputs such as retained accessory power (RAP), vehicle speed sensor (VSS),
illumination, reverse trigger and parking brake.
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 (see next page for setting chart).
2. The interface comes pre-programmed for all of the vehicles factory SWC functions 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
and releasing the program button on the side of the interface once and waiting 7 seconds for the LED to flash 3 times.
PLEASE
NOTE: Due to the many different possible OEM SWC configurations, some applications may need to be reprogrammed
for the SWC assignments to make sense. Whatever you assign as aftermarket volume commands will also be the
OnStar volume commands.
3.
The aftermarket radio must have an auxiliary input in order for the factory RSE audio to be retained through the cabin speakers.
4. RSC buttons that are identical to the SWC will mimic the SWC one for one.
5.
The LED will flash whenever a SWC button is pressed.
SWC Connection
See above chart for
different radio type
connections
x3
Wiring
SWC Connection
Aftermarket
Radio
Connections
Vehicle
Connections
Pacific Accessory Corporation
Light Green
Parking Brake Output (-)
Pink
Vehicle Speed Output
Blue
Not Used
Blue / White
Amp Turn On Input
Orange / White
Illumination Output (+)
Purple / White
Reverse Output (+)
Brown Loop
Mute Loop - See
installation note 6.
Aftermarket Radio Connections
Yellow
+12v
Black
Ground
Red
Acc. Output
White
Front Left + input
White / Black
Front Left - input
Grey
Front Right + input
Grey / Black
Front Right - input
Green
Rear Left + input
Green / Black
Rear Left - input
Purple
Rear Right + input
Purple / Black
Rear Right - input
SWC Connector
Blue/Yellow
Kenwood, Newer JVC
3.5mm Jack
Alpine, JVC, Clarion,
Pioneer, Sony, Fusion,
Boyo, Dual, Lightning Audio,
Visteon or Advent