Sirius Satellite Radio SIR-GM1 manual With Filter

Antenna (21’ cable) - Mount on

Roof of Vehicle

Right-angle SMB

Connector

Factory bus connector (Headunit Side)

Factory GM Class-2 Radio

SIR-GM1

Connector

T-Harness

Interface Cable

1-AMP ATC Fuse		Factory bus connector
		(Vehicle Side)
	Power Harness	Connect YELLOW wire to	the Battery
	with Filter
		Positive or other good	B+ source

OUT

FILTER & FUSE BOX

IN

1-AMP Fuse located	Connect Black wire to
inside noise filter
	the a solid Chassis
	Ground (as short as
	possible)

NOTE: If your vehicle is equipped with a factory satellite radio tuner and you are using the included ‘T-harness interface cable’ for installation, you must disconnect the factory satellite radio tuner at the tuner box. Otherwise, operational errors will occur while using the SIR-GM1.

SIR-GM1 Installation Guide 9