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SIRGM1C Installation Guide
SIRGM1C
SYNTONISATEUR RADIO SATELLITE SIRIUS
COMPATIBLE AVEC GM
System Connection Examples
System 1
For vehicles pre-wired for satellite radio
Factory SDAR
Interface Cable
Factory wiring
harness
Remove the Factory XM Tuner and
connect the SDAR Interface Cable
NOTE: If installing into a Cadillac CTS, a slight modification of the Factory SDAR Interface
Cable is required. Please see the attached technical sheet for details.
DO NOT cut or extend the supplied harness.
Doing so can cause operation or noise
issues.