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12
CONNECTING THE SIRIUS RADIO TO THE VEHICLE’S SOUND SYSTEM.
Your Sirius radio can be connected to the vehicle’s sound
system different ways depending on whether it is a factory
sound system or aftermarket head unit.
Most factory head units do not have auxiliary inputs. For
the best audio performance, use the supplied FM Direct
Audio Relay to route audio from your Sirius radio. You can
also use the wireless FM modulator built into your Sirius
radio by following the instructions for the wireless modula-
tor contained in the owner's guide.
In some cases the wireless signal will not be strong enough
to overcome interference from local FM stations. In this
case it is recommended to use the supplied FM Direct
Audio Relay included in the kit. This will require pulling the
radio out of the dash and unplugging the vehicle antenna.
The antenna cable will then be plugged into the receptacle
on the FM Direct Audio Relay labeled “to car FM antenna”.
The plug labeled “to car FM radio” will then be plugged
into the antenna receptacle on the back of the radio. Some
vehicles may require antenna adapters for this connection,
consult your authorized dealer for details. Then route the
plug labeled “to satellite radio” to the back of the Sirius
cradle and plug it into the FM Out receptacle on the back
of the cradle. Securely bundle and hide any excess cable
behind a panel or under the dash of the vehicle securing it
so that it will stay in place while the vehicle is being driven.
Do not cut or shorten any of the cables of the FM Direct
Audio Relay as it may cause poor performance of the part.
In vehicles with aftermarket head units that have auxiliary
inputs, you can use the supplied 3.5mm stereo to RCA male
adapter cable. Connect the RCA jacks to the auxiliary in-
puts on the head unit and plug the 3.5 mm stereo plug into
the Line Out port on the back of the Sirius cradle. Some
radios may require a specific adapter to support routing
audio into the auxiliary inputs. Consult the owner's or
installation guide for your head unit for information about
using the auxiliary inputs. If the aftermarket head unit
does not have an auxiliary input you will have to use the FM
Direct Audio Relay connections described above for factory
sound systems.
Audio Cable
Swivel Base
on universal
Mounting Bracket
Assembly of Swivel Base
to Mounting Bracket
Dual Voltage
Power Adapter
FM Direct Audio Relay
Dual Voltage Power Supply Cables
2 pin 5v
3 pin 12v