horn does not work, any ideas - JeepForum.com
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post #1 of 15 Old 02-17-2019, 01:54 PM Thread Starter
Submariner
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horn does not work, any ideas

I get a click in the relay when I hit the button and the fuse is good and the wires are conneceted to the horns.

What am I missing? it has to be somewhere between the relay and the horns.

not sure.

Any ideas?

Thanks

Oh yah, working on a 97 cherokee.....


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post #2 of 15 Old 02-17-2019, 03:17 PM
CJ7-Tim
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Obviously the only thing between the horns and the relay is wires, what does your volts/ohms multi-meter tell you about the wire continuity and the voltage ? Having the answers to those questions, will decide if the horn itself needs testing, yes ?

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post #3 of 15 Old 02-17-2019, 03:30 PM
2oldjeeps
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had same problem, found a leftover horn in my barn. quik fix...

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #4 of 15 Old 02-18-2019, 10:56 AM
jserna
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If all of the above do not fix it, then it is the clockspring under the air bag. It is not a hard job, to replace it just takes some time.
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post #5 of 15 Old 02-18-2019, 02:41 PM
2oldjeeps
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Quote:
I get a click in the relay when I hit the button and the fuse is good and the wires are conneceted to the horns.

no clock,no clik
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99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #6 of 15 Old 02-19-2019, 10:05 AM Thread Starter
Submariner
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i ahve replaced the clock spring, got the click but no horn.

Also have the cruise control light but no cruise control.

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post #7 of 15 Old 02-19-2019, 02:07 PM
2oldjeeps
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think it might be the HORN???

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #8 of 15 Old 02-19-2019, 02:11 PM
Cutlass327
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First thing I'd do is grab a test light and check for power/ground at the horn. No power, you know it is electrical. Good power, chuck the horn and install new. Let us know if you do not have power or ground at the horn.
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post #9 of 15 Old 02-19-2019, 02:36 PM
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I've had several horns fail. They don't like getting too wet, nor do they
like being in a wedding procession where the driver blasts away for 20 minutes.

For the information of any one who has not yet had to check their horn:

To get at the horn, you just crawl under the driver's side bumper, loosen
the inner fender (held to the frame with plastic snaps), and peel it back
to reveal the horn in the cavity behind the headlamp. You get a faceful
of mud and dust as you look up in there. Spit all that out and shine a
flashlight up in there and check for loose wires. Then have someone honk
the horn while you check for voltage with a meter. The horns (there are two)
unbolt easily enough for replacement.
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post #10 of 15 Old 02-19-2019, 02:37 PM
2oldjeeps
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IF the horn is bolted to the car,run a wire from batt + to horn.if you hear no loud noise its the HORN....

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #11 of 15 Old 02-21-2019, 07:47 AM Thread Starter
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Quote:
Originally Posted by 2oldjeeps View Post
IF the horn is bolted to the car,run a wire from batt + to horn.if you hear no loud noise its the HORN....
Well that is a sure fire test. Why did I not think of that. I will do that around noon today when it stops raining and the sun is out.

Thanks

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post #12 of 15 Old 01-23-2020, 02:14 AM
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Good I passed by, got nearly the same problem, except my horn doesn't blow from the steering wheel, I guess it is the clock spring.

Is there a way to check or fix the clock spring?.

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post #13 of 15 Old 01-23-2020, 02:50 AM
Ralph77
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Quote:
Originally Posted by Hamid View Post
Good I passed by, got nearly the same problem, except my horn doesn't blow from the steering wheel, I guess it is the clock spring.

Is there a way to check or fix the clock spring?.
Basically there is a big ribbon in the clockspring. Guys have taken them apart and fixed them. A Google search will pull up some threads on this.
Personally I don't like the idea of that. But that is me.
When I put cruise control in my '00 XJ that did not come with it the first clockspring I used went bad after a week. Having extra parts I had a second one to try.
I was able to determine that it was good by checking the continuity of the ribbon inside the clockspring with a meter.
Thing is I can remember exactly which of the 3(?) terminals I used to check that. I had the bad one out to so was able to determine where I was looking for the beep.
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post #14 of 15 Old 01-23-2020, 03:49 AM
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Quote:
Originally Posted by Submariner View Post
I get a click in the relay when I hit the button and the fuse is good and the wires are conneceted to the horns.

What am I missing? it has to be somewhere between the relay and the horns.

not sure.

Any ideas?

Thanks

Oh yah, working on a 97 cherokee.....
Roll the window down & yell.

2001 BJC Orvis XJ Build -
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post #15 of 15 Old 01-23-2020, 12:19 PM
car6car
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I would start by removing relay and trying jumper wire, you need to know which holes to use. Most likely it is 4 pin relay. 2 pins have about 60 Ohm resistance (solenoid), 2 other pins are +12V and pin going to horn. If you install jumper wire in + hole and horn hole, it should make sound.
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