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!
Y our SIR-GM1 is designed to be added to select vehicles that support Satellite
Radio operation. Y our 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. Please
consult the included compatibility
listing.
Compatible Headunit T ypes:
• CD only Headunits*
• CD + Cassette Headunits*
• 6-CD changer Headunits*
• T ouch Screen Monitor Headunits
• Non-T ouch Screen Monitor
Headunits
*Note that the units must have a
“BAND” button to access SIRIUS audio
modes.
In addition, the SIR-GM1 is compatible
with most additional factory audio
accessories that might be included,
such as:
• Rear Seat Audio Control Center
• Rear Seat Entertainment (DVD/
Monitor) System
• Heads up display (HUD)
• Steering wheel controls
Note that the SIR-GM1 is not compatible with the factory satellite
radio antenna that might be installed in the vehicle. Y ou must install
a SIRIUS compatible antenna such as the one included with this
product.
2
Features
The SIR-GM1 is designed to emulate
many of the factory SDAR (Satellite
Digital Audio Radio) commands found in
your vehicle.
• Channel Tune (Up and Down)
• Fast Tune (Up and Down)
• Category Search (Up and Down)
• Category Tune (Tune within a
category)
• 12 presets (6 for each band)
• Preset Scan (UP)
Note about features listed; Each GM
radio type operates differently , so
consult the vehicle owners manual for
proper operation methods.
Headunit Display Capability
When the SIR-GM1 is installed, it has
the capability to show the following
information on the headunit display .
• Channel Number
• Channel Name
• Category Name
• Artist Name**
• Song Title Name**
**Number of characters displayed varies
by headunit type (8 ~16 Characters).
T ext Scrolling and/or Paging is not
supported with the SIR-GM.
Note: Some GM headunits will display “XM1” or “XM2” as the
display source. This information is hard coded in the headunit
design and can not be changed.
SIR-GM1 Installation Guide
Table of Contents
Package Contents ..............................................................................................3
Warnings and Cautions ..................................................................................... 4
Installation ..........................................................................................................6
Mounting the Tuner ............................................................................................6
Installing the Antenna........................................................................................6
Optimum Antenna Mounting Locations ...........................................................7
Wiring and Cable Connections .........................................................................8
System Connection Examples........................................................................10
Activating Y our SIRIUS Subscription............................................................... 12
Specifications ................................................................................................... 13
Package Contents
A
SIR-GM1
GM COMPATIBLE
SIRIUS SATELLITE RADIO TUNER
HEADUNIT
A
SIR-GM1 T uner
B
Mini Magnetic Antenna
C
Antenna Cable Cover/Tail
D
Alcohol Swab
E
Factory SDAR Interface Cable
F
T-Harness Interface Cable
Power Harness with Filter
G
H
Mounting Screws (Qty . 6)
B
C
D
E
F
H
G
SIR-GM1 Operation and Installation Guide
SIR-GM1 Installation Guide
3
3
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
AW A Y FROM SAFEL Y 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. Doing
so may result in fire, electric shock or
product damage.
DO NOT INSTALL IN LOCATIONS
THAT MIGHT HINDER VEHICLE
OPERATION. Doing so may obstruct
vision or hamper movement which can
result in a serious accident.
DO NOT INSTALL THE UNIT TO HIGH
LEVELS OF HUMIDITY, MOISTURE
OR DUST . Doing so can result in electric
shock or product failure.
FCC Warning: This equipment may
generate or use radio frequency energy .
Changes or modifications to this
equipment may cause harmful
interference unless the modifications
are expressly approved in this User
Guide. The user could lose the authority
to operate this equipment if an
unauthorized change or modification is
made.
DO NOT INSERT ANY OBJECTS INTO
THE UNIT. Doing so may result in fire,
electric shock or product damage.
USE THE CORRECT AMPERE
RATING WHEN REPLACING FUSE.
Failure to do so may result in fire,
electric shock or product damage.
MAKE THE CORRECT CONNECTIONS.
Failure to make proper connections may
result in fire or product damage.
DO NOT SPLICE INTO A ELECTRICAL
CABLES. Never cut away cable
insulation to supply power to other
equipment. Doing so will exceed the
current carrying capacity of the wire and
result in fire or electric shock.
4
Note: This equipment has been tested
and found to comply with Part 15 of the
FCC Rules. These rules are designed to
provide reasonable protection against
harmful interference. This equipment may
cause harmful interference to radio
communications if it is not installed and
used in accordance with these
instructions. However, there is no
guarantee that interference will not occur
in a particular installation. If this equipment
does cause harmful interference to radio
or television reception, which can be
determined by turning the equipment off
and on, the user is encouraged to try to
correct the interference by one of more
of the following measures:
• Relocate the receiving antenna.
• Consult the dealer or an
experienced technician for help.
SIR-GM1 Installation Guide
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 MET AL EDGES.
Route the cables away from moving parts
or sharp pointed edges. This will prevent
crimping and damage to the wiring. If the
wiring must pass through a metal hole,
be sure to use a rubber grommet to
prevent the wire’s insulation from being
cut by the metal edge of the hole.
USE THE SPECIFIED ACCESSORY
P ARTS AND INST ALL THE PRODUCT
SECURELY. Be sure to use only the
specified accessory parts. Use of nonspecified parts may damage this unit
internally or may not securely install the
unit in place. This may cause parts to
become loose, resulting in hazards or
product failure.
COMPA TIBILITY
The way the SIR-GM1 is installed and
used in your vehicle will vary depending
on several factors including the make,
model and year of the vehicle as well
as the factory-installed options. Please
refer to the information below for
information on the proper method of
SIR-GM1 installation.
If your vehicle is pre-wired for satellite
radio, then you should install the SIRGM1 in the factory satellite radio tuner
location using the existing wiring and
the ‘factory harness adapter’. Please
refer to the factory service manuals for
appropriate installation instructions.
If your vehicle is not pre-wired for
satellite radio, but it is compatible with
the SIR-GM1, then you must use the
provided T -harness to connect to the
back of your factory headunit.
USE CAUTION IF YOU NEED TO
DISCONNECT THE BATTERY
TERMINAL. Please consult the
vehicle’s owner’s manual or a service
technician prior to removing the battery
positive or ground connection, as it may
cause damage to the vehicle’s electrical
system or require reprogramming of the
vehicle’s computer-controlled devices.
SIR-GM1 Operation and Installation Guide
SIR-GM1 Installation Guide
5
5
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. If you are not
using this location, please read the
following installation guidelines.
Consider the mounting location
carefully. You should make sure that
you avoid the following:
• Any location where the tuner is
exposed to moisture.
• Any location where the unit is
exposed to extreme heat.
• Any location that would interfere
with moving parts on the vehicle or
hamper driving.
Mounting the SIR-GM1 T uner
Be sure that you find a location that is
flat and has clearance above the unit
to prevent any damage as well as
allow for ventilation.
Use the supplied screws to securely
fasten the unit.
Caution:
If you are attaching the unit directly to
the vehicle’s chassis, be sure that you
check to make sure the area behind the
unit is free from moving parts, fuel or
break lines, wire harnesses or any
other items which may get damaged by
drilling a mounting hole or using the
supplied screws.
Installing the Antenna
The antenna includes a 6-1/2” cable
cover/tail which covers the exposed
antenna cable and keeps it attached
securely to vehicle roof. The tail also
helps position the antenna the proper
distance from the window, sunroof or
rear hatch.
Antenna
(Bottom)
Adhesive Strips
Cable Cover/Tail
Connect the cable cover/
tail to the antenna cable,
insert the cable through
the grove. Peal off the
adhesive tape
Note that the SIR-GM1 is not compatible with the factory satellite
radio antenna that might be installed in the vehicle. Y ou must
install a SIRIUS compatible antenna such as the one included
with this product.
6
SIR-GM1 Installation Guide
T o att ach 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.
Optimum Antenna Mounting Locations
The optimum location to mount the
antenna is on the roof of the vehicle. It
is important to avoid any obstruction
that will block satellite signal – like a
roof rack. For convertible vehicles, install
the antenna on the trunk lid.
• Place the antenna on a metal
surface of your vehicle at least 12" x
12", and at least 6" from a window.
(Use the antenna cover/tail as a
guide for the proper distance).
• The antenna’s powerful magnet will
secure it to the metal surface. The
adhesive that is attached to the
antenna cover/tail will secure the
cable to the vehicle. Before routing
the antenna cable, confirm that the
antenna is mounted in a good
location.
• Route the cable from the antenna to
the vehicle’s interior by tucking it
underneath the rubber molding around
the rear window (if possible).
• Route the cable from the lowest point
of the rear window into the trunk. T ake
advantage of any existing cable
channels or wiring conduits.
SIR-GM1 Operation and Installation Guide
SIR-GM1 Installation Guide
• For SUVs, minivans and five-door
vehicles, bring the cable into the
vehicle under the rubber molding for
the tailgate, and continue under the
interior trim.
• From the trunk, carefully route the
cable to the location of the
SIR-GM1 and plug the SMB
connector onto the unit.
Sedan/Coupe
SUV/Mini-Van
Truck
Convertible (only)
Caution:
• Do not pull the wire across sharp
edges that could damage it.
• Keep the wire away from areas
where it could become tangled in the
driver’s and passenger’s feet.
• Keep the antenna wire away from
extreme heat – like exhaust systems.
• A void placing the cable near any
moving parts
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7
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
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.
T-Harness Interface
If your vehicle doe not have a factory
XM satellite tuner installed, use the T Harness and supplied power harness
with noise filter..
B. Headunit Connector
Connection to either the Factory SDAR
interface cable or T-Harness cable
depending on system type.
8
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.
SIR-GM1 Installation Guide
Antenna (21’ cable) - Mount on
Roof of Vehicle
Factory GM Class-2 Radio
T-Harness
Interface Cable
Right-angle SMB
Connector
Factory bus connector
(Headunit Side)
SIR-GM1
Connector
1-AMP ATC Fuse
Power Harness
with Filter
OUT
FILTER &
FUSEBOX
Connect YELLOW wire to the Battery
Positive or other good B+ source
IN
(Vehicle Side)
1-AMP Fuse located
Factory bus connector
inside noise filter
Connect Black wire to
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 Operation and Installation Guide
SIR-GM1 Installation Guide
9
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System Connection Examples
System 1
For vehicles pre-wired for satellite radio
Factory wiring
harness
Remove the Factory XM Tuner and
connect the SDAR Interface Cable
Factory SDAR
Interface Cable
10
SIR-GM1 Installation Guide
System 2
For vehicles not wired for satellite radio
Factory bus connector
(removed from headunit)
T-Harness
Interface Cable
SIR-GM1
Connector
Connect Black wire to the a solid
Chassis Ground (as short as possible)
SIR-GM1 Operation and Installation Guide
SIR-GM1 Installation Guide
Factory bus connector
Connect YELLOW wire to the Battery
OUT
FILTER &
FUSEBOX
Positive or other good B+ source
IN
Power Harness
with Filter
11
11
Activating Your SIRIUS Subscription
Y ou 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. If this is the first time the unit is
connected and receiving satellite
signal, the display may read
“UPDA TING” until the SIR-GM1
channel update is completed. This is
where the latest channel line up is
updated on the SIRIUS Receiver.
NOTE: Don’t push any buttons or
perform any operations until
updating has been completed.
Once updated and the SIRIUS
channels are received, you will be
tuned to SIRIUS Satellite Radio’s
Preview Channel (Channel 184). Y ou
should be able to hear the SIRIUS
Preview channel’s Audio.
5. Find the SIRIUS ID (SID) of your unit.
The SID can be found on a sticker on
the bottom of the SIR-GM1 or by
tuning to channel 255. Press the
display button (DISP on most unitssome use INFO) to select either artist
name or song title. Both fields will
display the 12-digit SID.
6. Write down the 12 digit SID in the
location provided on the next page for
future reference.
12
7. Contact SIRIUS on the Internet:
https://activate.siriusradio.com
Follow the prompts to activate your
subscription.
Y ou can also call SIRIUS toll-free at 1888-539-SIRIUS (1-888-539-7474).
Y ou will not be able to tune to any
other channels until you activate your
SIRIUS subscription.
Basic Operation
After the unit is activated please follow
the steps below to insure proper
operation of the unit:
1. Power off the headunit, close all doors
for 1 minute.
2. Open the door and either start the car
or turn on the ACC.
3. Cycle through the BANDS to select
SR1 (or XM1).
4. Select each preset one time (the
headunit may have retained presets
from the XM radio. This will change all
the presets to the SIRIUS default
channels.
5. Press BAND to select SR2 (or XM2)
and repeat step 4 above.
6. Y ou can now tune and set up your
presets as you wish.
For specific headunit functions, please
consult your GM headunit owner’s
manual for proper operation instructions
for using satellite radio products.
SIR-GM1 Installation Guide
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................................................................................Mini-Magnetic
Antenna Cable Length ................................................. 21’ (single micro-cable)
Connector Type .....................................................................SMB (Right-angle)
Audio Output ............................................................................. 1.4V rms (Fixed)
Included Cables........................................................ T-Harness Interface Cable
............................................................................ Factory SDAR Interface Cable
.............................................................. Power harness with in-line noise filter
Please write down your SIRIUS ID in the space provided below:
SIRIUS ID:
SIRIUS Customer Service: 1-888-539-7474
SIR-GM1 Operation and Installation Guide
SIR-GM1 Installation Guide
13
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SIRIUS Satellite Radio
1221 Avenue of the Americas
New York, NY 10020
(888) 539-7474
www.sirius.com
© 2006 SIRIUS Satellite Radio Inc.
“SIRIUS” and the SIRIUS dog logo are trademarks of Sirius Satellite Radio Inc.
SIR-GM1-Install-Manual-(v05152006)
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