Application and Installation Instruction for GM12LAN-AUX/S

The GM12LAN-AUX/S converts the XM satellite radio port of the GM radio into an auxiliary input. The GM12LAN-AUX/S provides full compatibility with the factory On-Star system, and factory XM Satellite Radio. Additional harness is required. (Not included).

DO NOT force connectors together as pin damage may occur. This installation will be flawless if you take your time making the connections described below. Following the installation sequence below is critical to ensure proper recognition of the auxiliary interface by the factory radio.
NOTE: The GM12LAN-AUX/S will allow the factory XM to continue to operate provided the correct harness (not provided) is used for the specific application (see diagram below).
1. Disconnect the negative battery terminal.
2. Remove the GM radio or locate the factory XM satellite tuner, depending on which vehicle specific harness is used.
3. Remove any connector that may be in the 12-pin or 14 and 16-pin connectors of the factory radio (or XM tuner).
4. See reverse side for connection instructions of your specific GM harness.
5. Connect the male 24-pin Molex connector of specific harness to the mating end on the GM12LAN-AUX/S.
6. Connect appropriate length patch cord (not included) between GM12LAN-AUXIS and auxiliary device.
7. Re-install factory radio or XM tuner.
8. Reconnect the negative battery terminal.

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