Sirius Satellite Radio SIR-GM1 User Manual
8
SIR-GM1 Installation Guide
Wiring and Cable Connections
A
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.
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.
Connection to either the Factory SDAR
interface cable or T-Harness cable
depending on system type.
SIR-GM1
GM COMPATIBLE
SIRIUS SATELLITE RADIO TUNER
HEADUNIT
Factory SDAR Interface Cable
Use this cable if you are replacing the
factory XM satellite tuner.
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..
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.
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.
It is not possible to have both the
factory XM tuner and the SIR-GM1
installed at the same time.