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Section 3 - Adding a Second XM160-2 to the Bike - Cont.
If you are using the KENWOOD lower speaker pods, the harness included with the kit
will also plug directly into the 4 pin black amplified out "pigtail" on the Primary (front)
Amplifier.
In all other cases you will use the "ACC" harness included in this kit that has a 4 pin black
plug on one end, and wires on the other. This will plug into the amplified out "pigtail" on
the Secondary Amplifier and "hardwire" the second set of speakers to this harness. The
wires on the supplied ACC harness are clearly labeled, which will make the wiring easy.
6. Attach the power harnesses black wires to the negative (-) battery terminal and the red
wires to the positive (+) battery terminal. The factory battery wires are also re-installed at
this point. When attaching the power and ground wires, it is always a good practice to do
the negative (black) first. When the positive connector touches the battery, some sparking
is normal. This is a function of the capacitors in the amplifiers charging up.
7. Turn the stereo on at low volume and test to make sure all speakers are working. Each
amp has a variable gain you can now adjust to tune the volume levels between amps. If
there are front speakers and lids, and you want the lids louder, so decrease the gain level
on the Primary Amp in correlation to the Secondary Amp. There is no right or wrong way
here, just set it how you prefer it.
Now is a good time to "clean up" and secure any wiring inside your fairing using supplied
zip ties. For best possible FM reception, DO NOT attach any of the amplifiers wiring to any
factory antenna wires!
IMPORTANT: With all wires secured, turn the front wheel to
each extreme side making sure that any wires cannot bind
or impede the steering of the motorcycle. Failure to do so
can cause an accident resulting in serious injury or death!
Section 4 - Final System Adjustments
From time to time, Harely-Davidson will release software updates on their website which
can be downloaded and installed on the bike. For the best performance of your audio
system, please make sure the downloads are up to date! Earlier versions of the software
could cause any brand of aftermarket amplifier to distort prematurely so this is an
important point!
How the system sounds when the bike is running is going to differ from how it sounds
when the bike is not running. This is a function of the radio's built-in software. You may
find yourself adjusting the bass and or treble controls if you're listening to the bike
without the motor running.
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