Diagram of Toggle Switch with Relays for Horns?
Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=130763
Printed Date: May 14, 2024 at 3:38 PM
Topic: Diagram of Toggle Switch with Relays for Horns?
Posted By: khirmal
Subject: Diagram of Toggle Switch with Relays for Horns?
Date Posted: February 28, 2012 at 10:51 PM
Hi to all!
I'm currently installing a two horns. One stock and one stebel horn. I'll use the stock horn in busy streets and I'll just use the stebel horn in highways. Can somebody share a diagram how to install a toggle switch including the relays connected to the horns.
Do I need 3 relays? 1 for stock horn, 1 for stebel horn and that is connected to the toggle switch?
Thankyou in advance
Replies:
Posted By: howie ll
Date Posted: February 29, 2012 at 12:23 PM
Help us to help you and let us know what what vehicle, other wise this is an assumption:- 2nd_horn.bmp
Or place the air horn relay to feed off the regular horn feed, this will give you a time delay, soft press for regular, hard and longer for air horns. ------------- Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: itsyuk
Date Posted: February 29, 2012 at 5:07 PM
tell us more about what the vehicle is and whick model stebel horn you are using. it would be nice to know the current draw since some stebel draw quite a bit..... that is if its an electric stebel.
-------------
yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: itsyuk
Date Posted: February 29, 2012 at 5:34 PM
if thestebel draws less than 25 amps and you have access to tap into the OEM horn wire under the hood.
use a weatherproof relay or weather protect a standard bosch relay/socket/wires and use the following schematic.
leave the switch up (closed) on the highway. ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: howie ll
Date Posted: February 29, 2012 at 11:50 PM
Sorry, still unwell, thanks for getting my point over, itsuyuk, also thanks for that nice relay layout.
If you control the horn button with some finesse, you won't need the switch, there's always a momentary delay between the first OEM relay and the second, same principle as home brewed lock priority.
Mine's wired exactly as your diagram, extra parts, NIL.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: itsyuk
Date Posted: February 29, 2012 at 11:53 PM
"unwell"?.... what goin on?
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yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: howie ll
Date Posted: March 01, 2012 at 12:14 AM
COPD (Emphysema) spent Fri-Tue under a forced breathing mask in intensive care after respiratory system failure, the irony is that I gave up on 50 years of smoking 30+ a day 3 days before!
Still came out losing 20lbs in weight and I haven't smoked since so there is a silver lining.
Thanks for asking.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: itsyuk
Date Posted: March 01, 2012 at 12:21 AM
sometimes you dont fall into convetional "catagories".
i was the only person in my family who didnt smoke, NEVER drank anything, never was sick or even have the flu my whole life. didnt even take aspirin or anything for headaches. hit life hard bicycling, frisbee, jet skiing, softball.
had a heart transplant in december of 2008. you never know.
i hope it all works out good for ya. ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: howie ll
Date Posted: March 01, 2012 at 12:28 AM
I hope YOU are fine now, you're so right, all my Dad's brothers smoked (non-tipped) like chimneys and all outlived him.
I've actually been expecting this "warning shot" for at least 15 years but we get oh so complacent don't we.
My old excuse was no drinking, gambling or cussing* so allow me one vice but that doesn't wash in the modern world.
*OK, I bent the truth on the cussing bit but we all know how many times I've been kicked off Platinum for opening my big mouth.
I ought to take a course on anger management when dealing with morons!
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: khirmal
Date Posted: March 01, 2012 at 10:32 PM
Thank you guys for sharing. I'll install it to an old corolla GLi 1994 model vehicle. I'll be using stebel magnum together with the stock horn. In the future I'll be replacing the stock horn with an air horn (maybe a fiamm one)
Kindly see my diagram and correct me if I'm wrong. Thank you
https://i1076.photobucket.com/albums/w455/khirmal/relaywithtoggle.jpg
Posted By: itsyuk
Date Posted: March 01, 2012 at 10:38 PM
i guess if you want to be able to totally turn off all the horns, your way is ok.
from what you said in the post i think the way i posted would work better. the way in your pic doesnt let you have only the OEM horn when driving in town. ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: khirmal
Date Posted: March 01, 2012 at 10:50 PM
itsyuk wrote:
hi itsyuk, cmiiw, in your diagram you are only using one relay? 87a will go thru the oem horn and the switch you are referring is to close the circuit to activate 87 that is connected to the new horn.
Posted By: itsyuk
Date Posted: March 01, 2012 at 10:55 PM
no, on mine, you just tap the 86 terminal into your exsisting horn wire.
when the toggle is on, the extra horns will honk along with your original horn(s).
with the toggle off, the original horn(s) will honk alone. ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: khirmal
Date Posted: March 01, 2012 at 10:57 PM
I really prefer one horn at a time. that's the reason I need to put a toggle switch to select which one will work.
Thanks
Posted By: itsyuk
Date Posted: March 01, 2012 at 11:11 PM
factory wire into 86 and 30
85 as shown in my picture
87 as shown in my picture
87a to the OEM horn(s)
the relay would let the factory horn play through the relay when the toggle is open.
the relay would reroute the horn signal to the new horn each time you honk if the toggle is closed
what do you think of that? ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: khirmal
Date Posted: March 02, 2012 at 12:06 AM
Thanks, I'll try to do the wiring this saturday and update you.
Posted By: itsyuk
Date Posted: March 02, 2012 at 12:29 AM
so here is a schematic of the new version.  ------------- yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: howie ll
Date Posted: March 02, 2012 at 4:56 AM
And of course there's the infamous KISS method that works every time.
Chuck another 5 amps on your horn fuse rating and just tap your horn + side to the + side of the compressor.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: khirmal
Date Posted: March 16, 2012 at 1:17 AM
Hi, the diagram suggested above is working. Thanks guys
I have another question, is it really needed to use two relays for one set of horns. One set, meaning one high and one low.
Posted By: itsyuk
Date Posted: March 16, 2012 at 1:53 PM
there is only one relay in the picture above. that should be all you need.
-------------
yuk
quiet rural missouri, near KC.
If your system moves you physically and not emotionally, you have wasted your money.
Posted By: khirmal
Date Posted: March 17, 2012 at 6:03 AM
thank you itsyuk. I'm looking forward to your answers in case I have other posts here in the forum. All the best
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