Assured AUTOMOTIVE Bull Horn ACHRKS-444 Instruction sheet

Assured Performance Bull Horn Install –PN: ACHRKS-444r
Mounting of Horn
Mount horn on vehicle in a location where is is best protected from water, mud, snow,
etc.
Mount Bull Horn to a secure spot on vehicle with trumpet opening facing sideways or
down. This will help any contaminants that enter the trumpet to fall or drain out.
If possible mount the horn to a metal and grounded location. Inner fender wall works
best.
The mounting bracket on horn is the ground (negative). If horn is NOT mounted to a
grounded location, install a ground wire from mount bracket to a ground.
Use the included Bolt, Fender Washer, Lock Washer and Nut.
Wiring of Horn
You can use the 12v Positive OE Vehicle horn switch (steering wheel switch) or you can
corporate a 12v momentary switch (not included) between positive source and positive
horn lead.
When using a separate momentary switch, be sure to incorporate a 5 amp inline fuse.
For 12v Positive wiring, use at least 12 gauge automotive wiring.
Use of a relay is not required for this product, but can be used.

Trouble Shooting
Horn will not motor:
1. Be sure your battery has a good charge
2. Check to be sure unit is getting 12v positive from battery. DO NOT USE a battery charger
to trouble shoot horn. Use a 12v battery ONLY.
3. Try “hot wiring”the horn. Run a lead direct from battery positive(+) to lead on horn.
Run another wire direct from battery negative post to mounting bracket on horn. If horn
does not power, call our tech line. PH: [phone]
4. If horn motors when “hot wired”, and horn is getting 12v positive when switch is
depressed, check to be sure horn bracket is grounded properly. You may have to
dismount horn from vehicle and remove paint or dirt from the mounting area.
Horn motors by will not sound:
1. Be sure your battery has a good charge
2. Clean containments out from the trumpet, horn diaphragm area.
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