Sirius Satellite Radio SIR-GM1 Wiring and Cable Connections, A. Antenna Input, T-HarnessInterface

Wiring and Cable Connections

A

SIR-GM1

GM COMPATIBLE

SIRIUS SATELLITE RADIO TUNER

HEADUNIT

B

A. Antenna Input

Connect the right-angle SMB connector from the antenna. Push firmly to attach. Connect to only approved SIRIUS Satellite Radio antennas - DO NOT connect to the factory satellite radio antenna if installed.

B. Headunit Connector

Connection to either the Factory SDAR interface cable or T-Harness cable depending on system type.

Factory SDAR Interface Cable Use this cable if you are replacing the factory XM satellite tuner.

T-Harness Interface

If your vehicle does not have a factory XM satellite tuner installed, use the T- Harness and supplied power harness with noise filter..

Note 1:

DO NOT cut or extend the supplied harnesses. Doing so can cause operation or noise issues.

Note 2:

It is not possible to have both the factory XM tuner and the SIR-GM1 installed at the same time.

8 SIR-GM1 Installation Guide