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HDWH2 & HDWH4 

Wire Harness Installation

HDWH2 Fit Guide

- 1998-2013 (Ultra Classic, Electra Glide, Street Glide, and Tri Glide)

Bracket fits- 1998-2013 (Road Glide and Road Glide Ultra)

Not for CVO Models

Contents:

1.

 MTX Wiring Harness- Includes all connectors for connecting to 

MTX MUD amplifier and speakers.

2.

Hook and loop fastener

 Pad

3.

 Speaker Adaptor Rings-2

Installation Tools:

Wrenches/Sockets- 

7

16

"

3

8

"

1

2

"

, 10mm

Torx Driver- T10, T25, T40

#2 Phillips Screw Driver

“Wiring Diagram”- shows the overall wire harness attached to the MUD amp and 

battery in the bike.

Installation:

Please note if you are unsure about disassembling your motorcycle please have 

this installed by a qualified technician. 

ULTRA CLASSIC, ELECTRA GLIDE, STREET GLIDE AND TRI GLIDE INSTALLATIONS

 

Please go to page 3 for Road Glide and Road Glide Ultra installation.

First Step - Remove the Fairing

 

A-  Remove the top bolts on the bottom of the windshield. After the bolts are 

removed, carefully remove the windshield.

B-  Remove the screws on the bottom sides of the fairing. This will allow the 

fairing to be removed.

C-  Pull the fairing forward and up slightly, the harness connecting the headlight 

will need to be removed to completely pull the fairing away from the bike.

a.  Be careful to not bump the fairing against the signal lights or other 

installed lights connected to the front fork. A sock or other fabric can 

be used to protect the side lights during fairing removal.

Second Step - Remove Existing Speakers

A-  Pull the speaker wire connectors from the speakers, take care to pull them 

from the plastic connector and not the wires so that the stock wire harness 

is not damaged.

B-  Use a Torx driver to loosen the 4 screws holding on the stock speakers.

C- Keep track of which wires go to the clutch and brake side speakers.

D-  The speaker grill assembly needs to be removed from the stock speaker, 

make sure to keep it in a safe place or remember its orientation. This will be 

important for mounting the new speakers in place. 

Clutch

Brake

Summary of Contents for HDWH2

Page 1: ...e windshield After the bolts are removed carefully remove the windshield B Remove the screws on the bottom sides of the fairing This will allow the fairing to be removed C Pull the fairing forward and up slightly the harness connecting the headlight will need to be removed to completely pull the fairing away from the bike a Be careful to not bump the fairing against the signal lights or other inst...

Page 2: ...hough the wire channel and then snap the top of the wire channel back in place F The gas tank can be lowered back into place and the mounting bolts can be put back and tightened in place G Attach the power and negative wires to the battery Fifth Step Connecting the Amp and Speakers Ultra Classic Electra Glide Street Glide Tri Glide A Connect the MTX wire harness to the factory speaker wiring makin...

Page 3: ... connectors to the MTX wire harness There are 3 connections 1 large rectangular connector and 2 bullet power connectors Take care to keep the power wire polarity correct Red to Red Black to Black a Make sure the connections are securely snapped together H Open fuse holder and place the 15 amp fuse in the holder I Turn the bike to ACC and test to make sure the amplifier and speakers power up If all...

Page 4: ...and the mounting bolts can be put back and tightened in place G Attach the positive and negative wires to the battery Fifth Step Connect the Amp and Speakers Road Glide Road Glide Ultra A Connect the MTX wire harness to the factory speaker wiring making sure the clutch side and brake side are connected to the correct input wires The wires are marked with a tag on each end Plug the MTX harness conn...

Page 5: ... fairing nuts H Place the amplifier bracket over these 2 bolts and replace and tighten the nuts The amplifier is now locked in place Amp pigtails face upward I Connect the amplifier connections on the wire harness There are 3 connections 1 large rectangular connector and 2 bullet power connectors Take care to keep the power wire polarity correct Red to Red Black to Black a Make sure the connection...

Page 6: ...tock speakers C Keep track of which wires go to the Clutch and Brake side speakers D The speaker grill assembly needs to be removed from the stock speaker make sure to keep it in place or remember its orientation This will be important for mounting the new speakers in place E Use a T10 Torx driver to remove the rear pod speakers Remove the speaker connections from the speakers The wire harness wil...

Page 7: ...ires The wires are marked with a tag on each end Plug the MTX harness connectors into the corresponding factory connectors Please ensure the connections are secure so they do not come loose when riding Third Step Speaker Mounting A Take the new speaker and place the speaker ring on the front This correctly spaces this high performance speaker so that it performs to maximum potential B Orient the n...

Page 8: ... as far as possible to keep it from interfering with the fairing F Connect the amplifier connections to the MTX wire harness There are 4 connections 2 large rectangular connectors and 2 bullet power connectors Take care to keep the power wire polarity correct Red to Red Black to Black a Make sure the connections are securely snapped together G Open fuse holder and place the 15 amp fuse in the hold...

Page 9: ...TX wire harness to the factory speaker wiring making sure the clutch side and brake side are connected to the correct input wires The wires are marked with a tag on each end Plug the MTX harness connectors into the corresponding factory connectors Please ensure the connections are secure so they do not come loose when riding D The speaker grill assembly needs to be removed from the stock speaker m...

Page 10: ...peaker output wires to the new speakers mounted to the bike Also make sure to keep the clutch side and brake connectors directed to the correct side The speaker output wires are marked with a tag indicating clutch or brake and have female fastons on each end that will connect to the new speaker C Unplug the stock wire connected to the center of the cigarette lighter Then plug in the blue wire from...

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