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Exactly How To Wire Horns To Brake?


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pjoker77 
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Joined: April 16, 2006
Posted: April 18, 2006 at 10:57 AM / IP Logged  

Hi, I'm leaving to stay for a week at friends, "the house of the practical jokers." I have a great situation in which I can get revenge, but I need to know the exact instructions for wiring a car's horns to it's brakes. My dad is a mechanic, and he would tell me, but he's going to be the only mechanic at the gathering and he wants plausible deniability. Can anybody give me a hand? Dad did say something about how if you don't use a relay, something will blow up? I don't want to pay shop bills.

Thanks, any help within the next couple of days would be great!

KPierson 
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Posted: April 18, 2006 at 11:56 AM / IP Logged  

Check this out:

http://kptechnologies.com/forums/viewtopic.php?t=73

That is a module that hooks to the brake and the horn, but only honks the horn after X amount of brake taps.  Its much harder to correlate the brake taps to the horn honking, making it much more entertaining.

Typically, you need a relay, as the brake wire is (+) 12vdc and the horn trigger is a (-).  I doubt you would damage anything if you didn't use a relay, it just wouldn't work.

Kevin Pierson
Ravendarat 
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Posted: April 18, 2006 at 8:32 PM / IP Logged  

What kinda vehicle is this

double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
pjoker77 
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Posted: April 19, 2006 at 3:34 PM / IP Logged  

I'm not sure of the exact make and model. It is probably a newer-type car. Does that help any? And BTW, where can I buy alligator clips, if that's what I end up having to use?

Thanks.

godblessdremil 
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Posted: April 19, 2006 at 5:50 PM / IP Logged  
well if you tell us the car we can tell ya the wiring color and where they are. and radio shak but i would use t tabs.
Jasonb61 
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Posted: April 20, 2006 at 10:47 PM / IP Logged  
hahaha Oh man I would love to do this to someone but I think the consequece around here wouldnt not be laughter......Exactly How To Wire Horns To Brake? -- posted image.
auex 
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Posted: April 21, 2006 at 11:04 PM / IP Logged  
What is better to do is to tag all the output wires on the widow switch and the lock switch, diode isolate them, and run them to a relay that honks the horn. That way everytime they use the windows the horn goes off.
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Fastlearner 
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Posted: April 24, 2006 at 11:55 AM / IP Logged  
This joke is great but problem is that i would be doing it to installers that know more than me so they i'm sure would do something ten times worse.
godblessdremil 
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Posted: April 24, 2006 at 5:05 PM / IP Logged  
Its a prank war you must expect escilation, till someone does something so much that everyone just goes wtf.
stang thang89 
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Joined: April 09, 2006
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Posted: April 30, 2006 at 1:46 PM / IP Logged  
if youre willing to go the limit you could also wire it to the winshield cleaner button and turn the nozzles around if possible. then they could really tick the person off in front of them.
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