'95 YJ Horn help... - JeepForum.com
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post #1 of 3 Old 02-19-2018, 12:56 AM Thread Starter
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1995 YJ Wrangler 
Join Date: Mar 2011
Location: Burlington
Posts: 36
'95 YJ Horn help...

The previous owner had swapped the factory horn for an air horn but it died recently and I decided to just replace it with an OEM one. Anyway, I'm a little bit confused regarding the ground, and the the +/- posts on the new horn I bought.

This one won't just plug and play with the factory harness since the air horn required them to splice into those wires.

I can hear the relay clicking but I'm not sure exactly what I'm missing here to finish things. I'll attach a few pictures of what I'm looking at, plus the new horn and what it came with.

Also, I noticed on some pictures the factory setup had 2 horns, which has me a bit confused too.

Any help would be appreciated.

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IMG_20180218_214852529.jpg   IMG_20180218_214916919.jpg   IMG_20180218_214952685.jpg  
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post #2 of 3 Old 02-19-2018, 07:49 AM
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1993 YJ Wrangler 
Join Date: Jan 2005
Location: Albuquerque
Posts: 8,896
The OEM setup had two wires to the plug, obviously ground and +12V from the relay. When pressing the horn button, does your meter see voltage on either wire to the horn?

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post #3 of 3 Old 02-21-2018, 07:12 PM
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2003 WJ 
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Location: Bay Area
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IIRC, one of the wires goes to a direct ground to the body. In some versions, the bolt screwing the horn to the body was the ground. The other wire is + which is fed from a relay under the dash that closes the positive circuit when the horn is pressed. Pressing the horn connects a thin metal plate to push a button to make a ground in the steering wheel column. You can pop off the horn cap to see it. Sometimes that thin piece gets corroded and sometimes the button it pushes has a spring that rusts out.

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