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OS-5
Radio Replacement with OnStar® Retention for General
Motors Vehicles
Introduction & Features
Important Notes
Wiring Connection Chart
Illustration / Schematic
The OS-5 interface allows the replacement of a factory radio in select General Motors vehicles with 29-bit LAN radios.
Using this interface will retain factory features such as OnStar, warning chimes, Rear Seat Controls (RSC), factory XM
Radio and the BOSE amplier when the original radio is removed. The OS-5 also provides data bus driven outputs such
as retained accessory power (RAP), vehicle speed sensor (VSS), illumination, reverse trigger and parking brake.
1. The OS-5 will retain the use of the factory XM receiver. Factory SWC or RSE controls must be present for use of this feature.
2. SWI interface must be used in conjunction for SWC retention.
3. RSC buttons that are identical to the SWC will mimic the SWC function for function.
Red / White Parking Brake
Output (-)
Purple / White Vehicle Speed
Output
Blue OnStar® Volume
Adjust
Blue / White Amp Turn On Input
Orange / White Illumination Output
(+)
Green Reverse Output (+)
Brown Loop Mute Loop - See
installation note 7.
Aftermarket Radio Connections
Yellow Battery +12v
Black Ground
Red Accessory Output
White Front L + input
White / Black Front L - input
Grey Front R + input
Grey / Black Front R - input
Green Rear L + input
Green / Black Rear L - input
Purple Rear R + input
Purple / Black Rear R - input
Wiring
Aftermarket
Radio
Connections
Vehicle
Connections
Sub, Center Channel
& Rear Camera
Connections
XM Audio
Connections
Connect to SWC
Interface. Program
for Version 2.
OS-RADPWRAUDIO
SWC Interface
Connections
Pacific Accessory Corporation
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