Hogtunes NCA 450-AA : 4 Channel Amplifier / 4x50 watts (1998 - 2013 - model years) - Manual (Page 4)

Step #2: Take the green/black wires on the input connector and plug them into
the front factory speaker wires on the brake side of the bike. Take the blue/
black on the front out plug, and plug them into the brake side front speaker.
Again, these will only go on one way.
The orange wire is the “remote turn on lead” and tells the amp to turn on when‐
ever it sees +12v (.5 amp min.). Unplug the 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.
Routing the power wire harness:
Step #1: The power/ground harness and rear harness will pass together under the
inner fairing where the main wire harness passes through on the brake side of the
bike. Loosen the tanks “chrome console” and run wires up and over the gas tank,
but under the tanks chrome console. There is a provision on the front of the tank
console for wires to pass.
When correctly installed, the power and ground wires are the right length to
connect to the battery, and if used, the rear wire 8 pin harness is the right length
to be zip‐tied to the brake side fender strut. Be sure to run the 8 pin harness
UNDER the air line for the brake side rear shock.
If running a supplied harness to the rears On the 8 pin rear harness “end” you will
see 2 pairs of black shorter wires in a sheath, and 2 pairs of black longer wires in a
second sheath. Put the ends of the shorter wires into the brake side rear box.
If Installing on an Ultra these wires will enter where the factory wires enter the
rear speaker box. Plug the factory rear speaker wires into the male wires of the
amp harness‐they will only go on one way. Take a Hogtunes 2 ohm rear speaker
(model 352R‐AA or 117.2‐AA) and plug the female connectors of the amp harness
into the speaker. Again, they will only go one way. Repeat this step using the
longer wires on the clutch side of the bike. If using Hogtunes Rear Speaker Pods,
the wires enter through a “slice” in the vinyl on the lower inside part of the box.
The radios power is diverted to this set of speakers, so the speakers ohms (Ω)
used in this location MUST match the ohms the radio works with. For 2006‐2013
factory radios, 2 ohm speakers are required. For 1998‐2005 factory radio’s, 4‐8
ohm speakers are required.
The amplifier mounts inside the fairing “over” the radio using the side plates
shown below. The side plates are attached to the side of the amplifier by
removing 4 screws on each side of the amp, positioning the plates as shown
below, and re‐installing the screws into the amp. Factory CB, XM, and other
similar modules (if present) are mounted on top of the radio and secured with
a screw that goes into the back of the radio. Remove the screw and let the
module(s) hang for now. If required, the module shelf is NOT installed yet!
Each side of the radio has 2 large allen head bolts that secure the radio into the
fairing. You will loosen the bolts on each side that are farthest away from you
(closest to the inner fairing) and remove the bolts closest to you. The amp will
“clip in” to the back bolts, and the bolts removed will go back in over the
plates to secure the amp. Re tighten all 4 bolts to factory specs. If you have
modules that are now hanging, install the module shelf as shown noting that
the “stove bolt” heads must be positioned as shown. Your module(s) will
screw into the shelf using the factory screw(s) you removed from the back of
the radio.
Wiring the amplifier: Step #1: With amplifier in place, take the yellow/black
wires on the input connector of the amplifier, and plug them into the front
factory speaker wires on the clutch side of the bike. They will only go in one
way. Take the brown/black wires on the “front out” connector and plug them
into the front clutch side speaker. They will only go in one way.
Mod
ule
She
lf
Side Plate
Stove Bolt Head
Stock Harness and Amplifiers Harnesses
Passing From Fairing To Just In Front Of
Tank (Arrow A) . Cable‐tying Harnesses
To The Main Bike Harness Just In Front
Of The Tank (Arrow B) Allows The Amp
Harnesses To Go Up Towards The Tanks
Chrome Console Easier And Makes For
a Cleaner Install.
A
B
Side Plate
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