VXH4901B
INSTALLATION GUIDE
PAGE 1 of 2
BEFORE BEGINNING YOUR INSTALLATION
Read through the whole instruction guide before getting started with the installation. Professional installation is
recommended for this product.
CONTENTS
Quad Trumpet Horn (Black)
1/2" NPT Male to 1/2" NPT Male Coupling x 1
12V 1/2" NPT High Flow Electric Solenoid
1/2" OD Nylon Plastic Hose (50 Feet)
1/2" NPT Male to Two 1/2" NPT Female Tee x 1
3/8" OD Nylon Plastic Hose (50 Feet)
1/2" NPT Female Cross x 1
Air Hose Cutter
1/4" NPT Male for 3/8" OD Hose PTC Fitting x 4
Thread Sealant 10ml
1/2" NPT Male for 3/8" OD Hose PTC Fitting x 4
Mounting Hardware (Trumpets)
1/2" NPT Male for 1/2" OD Hose PTC Fitting x 1
SAFETY INSTRUCTIONS
Avoid dismantling this horn’s electrical elements.
Avoid touching compressor components with your bare hands immediately after or during use.
Avoid setting up any parts of the horn where there is a risk of falling off or risk of coming in contact with water.
Avoid reaching out to touch or pick up any fallen or water submerged parts.
Set the horn up for use only in areas with adequate ventilation.
Avoid sounding the air horn when in close range to your ear(s) or the ear(s) of others.
Make sure your battery ground is detached before getting your installation started.
Employ equipment for eye protection during drill operations.
Ensure that your air system has no pressure before starting the installation.
The specific voltage requirement for this horn is 12 volt DC, therefore installation must be done to a DC power
source of 12 volts.
MOUNTING
Identify a suitable area to mount each trumpet, preferably an unobstructed sheet-metal surface like the frame
or body of the vehicle so as to provide a firm platform which will help protect the trumpets from damage due
to excessive shaking. Do not attach trumpets to any plastic or other flexible material.
Using the back bracket as a guide estimate and mark the positions for the holes, then perforate to size using
a drill.
Use the provided mounting hardware to fasten the trumpets.
