Hogtunes NCA 450-RM : 4 Channel Amplifier / 4x50 watts (201 User Manual download pdf (Page 5)

Step #5: Sit the supplied silver plate

on top of the radio as

shown in Fig 1.2. Locate

and install one of the

supplied “star” washers

on each factory screw and

re-install the screw/washer

through the silver plate,

through the factory black

plate and into the top of the

radio. Locate the main

power harness and plug it

into the matching “pig-tail”

on the side of the amp.

There are two options

for the way the amp

will be used. Please

identify which one

you will use before

proceeding.

OPTION 1:

If amp is being used to power front and rear speakers in

stock locations on an Ultra Classic:

 •Therearwireharnessyouneedisthelongestinyourkit.Locate

this harness and plug the one end into the mating 8 pin pigtail

coming out of the amp. On the side of the amp, you will see

a switch labeled “fader/no fader” Make sure this switch is on

“fader”.

OPTION 2:

If this amp will have the rear channels powering

speaker lids, fairing lower speakers or rears speakers on a

Street Glide or other “non Ultra” model:

  •Inthekityouwillseean8pin“rearaccessoryharness”with

four short brown/black and blue/black wires. Install this into

the mating plug on the side of the amp. You will need to run

the wires for your second set of speakers and splice into this

harness. Please do a good job….. Our wires are labeled

for ease.

Figure 1.2 - Ampliﬁer and mounting plate

correctly oriented. The plate with four small

holes is for mounting a popular Harley

accessory. The white circles show tabs which

are there for the “Christmas Tree” fasteners

to re-secure the harnesses lifted earlier.

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Hogtunes NCA 450-RM : 4 Channel Amplifier / 4x50 watts (201 User Manual Page 5

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