MOTO HORN MH-3.0 Motorcycles User Manual
- June 1, 2024
- MOTO HORN
Table of Contents
USER MANUAL
FOR MOTORCWYCLES
READ ME
PACKAGE CONTENTS
1x Moto Horn trumpet air horn
1x Moto Horn 12V compressor
1x Mounting plate
1x Air line
1x Relay with 30A fuse 12 &18 AWG Wire
15x Wire connectors (5 extra)
Bolts and rubbers for mounting
Moto Horn works on any/vehicle that has a 12V battery
SAFE INSTALLATION
- Follow this user manual.
- Power off your motorcycle before the installation.
- Do not install Moto Horn directly to the stock horn wires, use 12 AWG wire.
- Wire connectors are heat shrinkable, do not use open flame near your bike.
- The air line can be extended without any loss of performance.
- Avoid hard bends on the air line to provide free air flow.
- Keep the compressor away from parts that produce a lot of heat.
- TIP : Keep your stock horn connected to its wires when wiring Moto Horn. This way both horns get activated at once.
You can do so by splicing the wires or adding a Y-split to the stock wire
ends.
If you follow the next steps, no mechanical or electrical knowledge is
required
STEP 1
MOUNTING THE HORN
- Moto Horn trumpet can be unscrewed from its base, tighten it securely.
- Use the provided mounting plate for easier installation.
Mounting examples: https://motohorn.com/gallery/
The most common mounting spots are the following: front frame bar, on the side of the motorcycle, attaching it to the gearbox cover bolts, or under the saddlebags.
MOUNTING PLATE
Optional: attach the trumpet to the plate and use its center holes for mounting.
For example: using the stock horn bolt as the mounting point, or attaching the
plate to the side of your front frame.
Use the provided bolts and vibration damping rubbers.
THE COMPRESSOR
The compressor has a small bolting edge and can be bolted down to any
available bolt on your ride.
You can hide it underneath the saddle or under the stock horn cover. Leaving
it open visible works well too.
STEP 2
WIRING THE HORN
12 AWG WIRE IS THICKER WIRE
18 AWG WIRE IS THINNER WIRE
Crimp the connectors tightly and use a heat gun or a lighter to shrink them
around the wire. Don’t use open flame near your bike.
INSTALLING THE RELAY
We recommend keeping the relay closer to the battery, for example underneath
the saddle. Relay pins are numbered.
Use red connectors and 18 AWG wire:
- Connect pin 85 and 86 to your stock horn wires.
- The positive and negative can be switched up on these pins.
The relay has a green 30A built-in fuse, make sure it is seated properly.
FINAL CONNECTIONS
Use yellow connectors and 12 AWG wire:
- Connect pin 30 to battery positive.
- Connect pin 87 to compressor positive.
- Connect compressor negative to the battery negative.
Congratulations! Your
MotoHorn is ready to use!
Need help? Email us: support@motohorn.com
WIRING DIAGRAM
STEP 2
HORN WIRING
TIP: Keep your stock horn connected to its wires. This way both horns get
activated at once for the best multi-tone effects.
You can do so by splicing the wires or adding a Y-split to the stock wire
ends.
BONUS
OUR LATEST RELEASE
Like the Moto Horn? You will love our latest release — Moto Horn Bag Bags!
Stay organized & easily carry everything in just one go:
Moto Horn Bag Bags: https://motohorn.com/bags/
Use discount code MH20 and get 20% off.
Read User Manual Online (PDF format)
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