SIR-GM1 GM CLASS-2 BUS COMPATIBLE SIRIUS SATELLITE RADIO TUNER Installation Guide
Congratulations on your purchase of the SIR-GM1– the GM Compatible SIRIUS Satellite Radio Tuner! Your SIR-GM1 is designed to be added to select vehicles that support Satellite Radio operation. Your tuner is designed to replace the factory satellite tuner in your GM vehicle. It is also compatible with systems that do not have the factory satellite tuner installed. Compatibility The SIR-GM1 is designed to be compatible with select headunits from 2003 ~ 2006 in select vehicles that operate on the Class-2 Bus.
Table of Contents Package Contents .............................................................................................. 3 Warnings and Cautions ..................................................................................... 4 Installation .......................................................................................................... 6 Mounting the Tuner ............................................................................................ 6 Installing the Antenna ...........
WARNING This symbol means important instructions. Failure to heed them can result in serious injury or death. DO NOT OPERATE ANY FUNCTION THAT TAKES YOUR ATTENTION AWAY FROM SAFELY DRIVING YOUR VEHICLE. Any function that requires your prolonged attention should only be performed after coming to a complete stop. Always stop the vehicle in a safe location before performing these functions. Failure to do so may result in an accident. DO NOT OPEN, DISASSEMBLE OR ALTER THE UNIT IN ANY WAY.
CAUTION This symbol means important instructions. Failure to heed them can result in injury or material property damage. HALT USE IMMEDIATELY IF A PROBLEM APPEARS. Failure to do so may cause personal injury or damage to the product. Return the unit to your authorized retailer or nearest service center for repairing. INSTALL THE WIRING SO THAT IT IS NOT CRIMPED OR PINCHED BY SCREWS OR SHARP METAL EDGES. Route the cables away from moving parts or sharp pointed edges.
Installation It is recommended that prior to starting the installation, you thoroughly read this manual and follow the guidelines listed below: Do not install the tuner under the carpet or in a small enclosed area without proper ventilation. Doing so can result in damage to the tuner or the vehicle. Some installations may use the factory satellite radio tuner location. If you are using this location, please follow the factory instructions for installing the tuner in your vehicle.
To attach the cover/tail: 1) Once you have determined the proper mounting location (see next section), clean the area with the supplied alcohol swab. 2) Connect the cover/tail to the antenna cable, making sure that the strainrelief seats into the cover/tail groove. Route the cable through the wire channel in the cover/tail. 3) Remove the remaining protective tape from the adhesive, carefully position the antenna with cover/tail and apply pressure to secure to the vehicle.
Wiring and Cable Connections A Factory SDAR Interface Cable Use this cable if you are replacing the factory XM satellite tuner. SIR-GM1 GM COMPATIBLE SIRIUS SATELLITE RADIO TUNER HEADUNIT B T-Harness Interface If your vehicle doe not have a factory XM satellite tuner installed, use the THarness and supplied power harness with noise filter.. A. Antenna Input Connect the right-angle SMB connector from the antenna. Push firmly to attach.
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 Factory bus connector (Vehicle Side) 1-AMP ATC Fuse Power Harness with Filter IN OUT 1-AMP Fuse located inside noise filter FILTER & FUSE BOX Connect YELLOW wire to the Battery Positive or other good B+ source Connect Black wire to the a solid Chassis Ground (as short as possible) NOTE: If your vehicle is equipped with
System Connection Examples System 1 For vehicles pre-wired for satellite radio Factory wiring harness Factory SDAR Interface Cable Remove the Factory XM Tuner and connect the SDAR Interface Cable 10 SIR-GM1 Installation Guide
System 2 For vehicles not wired for satellite radio Factory bus connector (removed from headunit) SIR-GM1 Connector T-Harness Interface Cable Factory bus connector OUT FILTER & FUSE BOX IN Connect YELLOW wire to the Battery Positive or other good B+ source Power Harness with Filter Connect Black wire to the a solid Chassis Ground (as short as possible) SIR-GM1 Installation Operation and Guide Installation Guide 11 11
Activating Your SIRIUS Subscription You must activate SIR-GM1 before you can start to receive the SIRIUS Satellite Radio broadcast. 1. Make sure that the SIR-GM1 is properly connected and that its antenna is oriented to receive the SIRIUS satellite signal. 2. Turn on the headunit. 3. Use your factory radio’s controls to select satellite radio as the source. Pressing the BAND button will change sources to SR1 or SR2. Note- some headunits will display XM1 or XM2 when in SIRIUS mode. 4.
Specifications Operational Frequencies Satellite ......................................................................... 2322.293/2330.207 MHz Terrestrial ....................................................................................... 2326.250MHz Power Requirements .................................................................. 11-16 Volts DC Chassis Size ............................. 126.75mm x 125.75mm x 34.75mm (WxHxD) Antenna Type ............................................................
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