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5

  WIRING THE AMPLIFIER

Step #1:    Plug the 2 connectors of the main wire harness into “Power” and “Audio 

Input” on the amplifier. Tighten (snug) the 2 small flathead screws on the 
power connector to prevent  it from backing out while riding. 

Step #2:  •  On the audio input harness, locate the yellow/black pair of wires 
 

  with the male connectors.  

 

•  Unplug the factory speaker wires on the clutch side of the bike and 

 

  plug the yellow/black wires in to those. They will only go in one way 

 

•  Also on the audio input harness, locate the green/black pair of wires 

 

  with the male connectors. Unplug the factory speaker wires on the 

 

  brake side of the bike and plug the green/black wires in to those.

 

Note: The blue 4 pin plug with black wires on the input harness is an 

 

“expansion port” which used to send music to a second amp, or is 

 

used to send radio power to run other speakers on the bike. You can see 

 

how the expansion port can be used further on in this manual.

Step #3:  •  On the opposite side of the amp are 3” (75mm) wires ending with a 
 

  4 pin black connector. This plug sends amplified power to your  

 

  speakers. Locate 4 pin black plug wire harness with brown/black  

 

  and blue/black wires, and plug it into the amplified output plug.

 

•  The blue/black wires will plug directly to the speaker on the brake 

 

  side of the bike. The brown/black wires will plug directly to the 

 

  speaker on the clutch side of the bike.

Step #4:  •  The orange wire is the “remote turn on lead” and tells the amp to turn 
 

  on whenever it sees +12v (.5 amp min.). Unplug the factory center 

 

  wire (+) on the cigarette lighter. 

 

•  Plug the orange lead from the amplifier directly onto the lighter using 

 

  the female connector. 

 

•  Plug the factory lighter wire to the male “take off” connector which 

 

  is part of the amps orange turn on lead.

 

IMPORTANT: If you do not attach the orange wire from the amp to the 

 

center wire at the cigarette lighter, the amplifier will not turn on. If the 

 

factory fuse for your cigarette lighter is blown, and your cigarette lighter 

 

does not work, your amplifier will not turn on.

6

  ROUTING THE POWER HARNESS

For ‘98-’06 bikes,

 the power harness will pass under the inner fairing where 

the throttle and idle cables pass through on the brake side of the bike. The harness 
is designed to be routed between the frame backbone and gas tank on the brake 
side of the bike ,and come out just behind the gas tank. You 

MAY

 need to undo 

the back bolt of the gas tank and pivot the tank up to allow the harness to pass 
through at the back of the gas tank. Be sure to re-install this bolt and torque to fac-
tory specs!  

For 07+ bikes,

 the balance of the main wire harness will pass under the inner 

fairing where the main wire harness passes through on the brake side of the bike. 
Loosen the tank console and run wires up and over the gas tank, but under the 
tank console. There is a provision on the front of the tank console for wires to pass. 
Secure the amplifiers harness to the bikes factory harness using zip ties. When 
correctly installed, the power and ground wires are the right length to connect onto 
the battery.

   •  Attach the red wire to the positive (+) battery terminal, and the black wire to 

the negative (-) battery terminal. The factory battery wires are also re-installed 
at this point. Turn the ignition of the bike to the “on” position and play the 
stereo at low volume to verify the amplifier is working fine. 

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!

On the brake side of the amplifier is the amp level switch. The switch has 3  
positions labeled -3, 0, and +3. 
   •  If the expansion port has been used to power additional speakers, use the 

switch to set the “balance” between the amplified fairing speakers, and  
additional speaker powered by the radios built in power. 

   •  If you have a dual amp system, you can use the switches on each amp to  

balance the level of sound to each set of speakers as a means to tailor the 
sound to your liking. In a multi amplifier system, this gives you AWESOME 
flexibility!

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