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6511 54th St
Tampa, FL 33610
INSTALLING YOUR TRAIN HORN KIT
DRAIN COCK TO TANK:
1. Install the drain cock into the 1/2" port on the bottom of the tank using the 1/2" to 1/4" NPT F bushing. If the drain cock already
has sealant on its threads it is unnecessary to use Teflon tape on the threads.
PRESSURE SWITCH IN TO TANK:
1. Install the pressure switch into an available 1/2" port on the air tank using Teflon tape or pipe sealant on the threading of the 1/2"
to 1/4" NPT F bushing. Make sure to mount the pressure switch on the side or the top of the tank so that condensation will not
be able to drain in to the pressure switch.
SAFETY VALVE IN TANK:
1. Install the safety valve into an available 1/2" port on the air tank using Teflon tape or pipe sealant on the threading of the 1/2" to
1/4" NPT F bushing. If the safety valve already has sealant on its threads, it is unnecessary to use Teflon tape on the
threads. Do not mount on bottom of tank, and do not use as drain.
AIR GAUGE IN TANK:
1. Install the Hornblasters Air Gauge into available 1/2" port on the air tank using Teflon tape or pipe sealant on the threading of the
1/2" to 1/4" NPT F bushing. Make sure to mount the air pressure gauge on the side or the top of the tank so that condensation
will not be able to drain in to the gauge.
REMAINING PORTS:
1. If you did not purchase any accessories to go along with your Shocker XL kit, you will have one 1/2" port and one 3/4" port
open. The kit comes with two hex plugs to cover these ports. This does give you the option to run air tools, air source relocation
or many other accessories that we sell.
V. WIRING YOUR VALVE & AIR SOURCE UNIT
Your train horn kit will use two completely independent circuits. One circuit will connect your horn trigger (push-button
switch, or toggled factory button) to your electric solenoid valve. The other circuit will connect your accessory trigger (ignition
wire, accessory wire) to your air source kit. If you have trouble with wiring, you can find a wiring diagram of your vehicle on
www.the12volt.com. This can help you locate certain wires to properly and safely install your train horn kit!
VALVE WIRING FLOW CHART (CIRCUIT 1)
[Factory Horn Wire] » [Toggle Switch) » [Air Valve] » [Ground]
CIRCUIT 1
1. Begin by wiring your horn trigger.
a. If you are intending to use your factory horn switch, start by locating the load wire of the horn button (positive when horn
button is depressed in a standard vehicle) and wiring it to the included toggle switch (any side).
b. If you are going to use a push button switch (intermittent toggle switch) wire a fused (5A) wire from any 12 volt source
desired (battery) to your switch (any side).
2. Wire your switch to any lead of your air valve.
3. Wire the other side of the air valve to ground.
4. Test your circuit by activating your trigger and listening for a "click" from the valve.
CIRCUIT 2
1. Find the accessory line in your vehicle (this is a wire that is only powered when the key is turned to the 'accessory' or 'on'
positions.
2. Using the supplied 18 gauge wire connect the accessory wire to the "BLUE ignition positive wire" from the pressure switch.
3. Ground your pressure switch using the small "BLACK wire" from the pressure switch.
4. Locate your 12v DC power source that is capable of handling a 26 amp load.
5. Run the supplied 10 gauge or bigger wire to the inline fuse holder using the supplied 35 amp fuse. Then connect this to the
"RED fused 12v positive wire" from the pressure switch.
6. Connect the pressure switch to the air compressor using the "WHITE compressor wire" from the pressure switch to the "RED
wire" from the compressor.
7. Ground the other side of your air compressor using the "BLACK wire".
8. Your compressor system will now turn on automatically when power is on (key is in 'Accessory' or 'On' position) and automatically
turn itself off upon reaching pressure limits.
YOU'RE DONE!
It's time to test your horns! Share your install photos on our Facebook fanpage at www.facebook.com/hornblasters and don't
forget to check out www.trainhornforums.com, the largest train horn community on the internet!
www.hornblasters.com
(cont.)
Hand tighten only, and don't tighten by twisting the box.
+1 (813) 783-8058
Fax: +1 (813) 783-2407
support@hornblasters.com
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