Horn Stopped Working



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Thread: Horn Stopped Working

  1. #1
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    Horn Stopped Working

    Hey, guys, yesterday I found out the hard way that my horn isn't working anymore. This one car ahead of me wasn't moving when the lights turned green and I tried to use my horn to make her notice but, the horn didn't work. I came home check the fuse and relay and they seemed to be good. Horn does work when I press the panic button on my keyless entry key, but doesn't work from the steering wheel. I read somewhere that it might be a clockspring problem, however, I am not getting a air bag light either, also the cruise control works fine as well, the only thing that's affected is the horn. Can this be possibly caused by the clockspring? Are there any recalls on the clockspring for the 06 year minivans?
    2006 Caravan SE. Oil Changed @165000KM.

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  3. #2
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    The first thing I would try is disconnecting the IOD fuse for 10 minutes. If that doesn't clear it up, there must be a lost connection somewhere between the horn switch and the horn.
    Last edited by mmahamm; 01-06-2011 at 02:20 PM. Reason: senior moment--called it the OBD fuse. sheesh!
    Michael
    Centreville, VA
    Currently driving:
    2005 Dodge Grand Caravan SXT, 120K mi.
    Former owner of:
    1988 Dodge Caravan SE, 2.5L I4 (1988-1995, 99K mi); 1995 Plymouth Grand Voyager SE "Rallye", 3.3L (1995-2004, 169K mi); 2003 Grand Caravan Sport, 3.8L, (2004-2008, 106K mi), 2008 Nissan Quest, (2008-2010, 25K mi)

    Other vehicles:
    2008 Lexus RX400h (Dark Gray), 98K mi; 2005 Hyundai Elantra GT (Blue), 75K mi

  4. #3
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    Tried pulling the IOD fuse which reset the clock on the radio, that didn't work. Then I took both of the battery cables off the terminals and left them unhooked for a few minutes (5mins), also touched them together while they were unhooked to discharge and capacitors. Hooked the battery cables back up and still no go. The weird thing is that the air bag light is not on and the cruise control works perfectly as well. Maybe it's time to take the air bag panel off and see if there is any wires not connected properly? Does anyone know how many wires from the clockspring connect to the steering cover? Is it one single plug or different sets of plugs for horn/cruise etc.,? Please let me know before I go ahead and pop out the cover, I think there are only two screws at the back that have to be undone, plus disconnecting the negative battery prior to doing this is a good way to be safe from the air bag deploying.
    2006 Caravan SE. Oil Changed @165000KM.

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    do you have a remote starter installed on this van? if so, often times when the installers splice into the horn wire in the steering column they can damage the wire and it will fail over time..

    also, try pressing firmly with your thumb in the middle of the bag pad around the logo, sometimes these vans have a hard time making contact on the horn pad contact (esp. when it's colder and the plastic becomes stiffer..)
    relevant vehicle: '05 -=C=- T&C Ltd @~110K

  6. #5
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    Ok, took the airbag cover off and from visual inspection all the wire contacts look fine to me. I wiggled where the wires connect to make sure nothing was loose, but, seems it's all good. Installed the cover back, hooked up the negative cable to the battery terminal and still no horn. Also, there have been no remote starters installed on this vehicle ever, and there isn't any splicing if wires. I guess it looks mostly like a bad clockspring, which is around 200 bucks Canadian at the dealership, which I won't be buying anytime soon, I don't use the horn that much anyways. I'm surprised with so many other 4th generation owners having problems with the clockspring, this isn't a recall issue, especially when it also connects the airbag as well.
    2006 Caravan SE. Oil Changed @165000KM.

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    Ok, where the dealership quoted 200 bucks for the clockspring, a dorman clockspring for the year 2005 is only around 30 bucks. If you go by the oem part numbers for both years the only difference is that the last two letter are AC instead of AA, however, the 2005 clockspring looks identical to the one on my van. I might just go ahead and order that one and see if it fits, can't really go wrong with 30 bucks.
    2006 Caravan SE. Oil Changed @165000KM.

  8. #7
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    Ok, something else I just found out after taking to the parts guy at the dealership. The clockspring is the same for model years 2001-2010. The original part number is 5082050AA and in 2006 they changed that number to 5082050AC, but the actual part is the same. When you search for 5082050AC part number there are no matches for after market part, so one thinks that it's a dealer only item, when in fact it's the same part as 5082050AA and there indeed a aftermarket clockspring available from dorman part # 525-101 which retails for about 40 bucks. So sneaky on the part of Chrysler to do this. Even though they don't sell the earlier part number 5082050AA, it's still listed in their catalogue for retail price of 60 dollars, whereas the same part with a new number ending with AC is listed at retail price of around 200 bucks. I hope this helps anyone else that need this part replaced. I'll be grabbing the dorman clockspring later today and installing it myself, as it doesn't look to be too hard. I'll report back on how it goes and if it does resolve the horn issue.
    2006 Caravan SE. Oil Changed @165000KM.

  9. The Following User Says Thank You to MrBiglund For This Useful Post:

    mmahamm (01-06-2011)

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    Thanks for the updates. Anxious to hear how it all works out.

  11. #9
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    Ok, guys, here's the next update. The aftermarket clockspring that sells for 40 bucks is the same, a perfect fit. Aftermarket one is made to replace oem part number 5082050AA, but it also works for oem part number 5082050AC which supersedes the old part number which ends with AA. So, for anyone needing a clockspring for the 4th generation van, don't bother with getting oem one from dodge for 200 bucks just get the dorman part number 525-101 and save yourselves 160 bucks. I find this so unethical on the part of Chrysler to do this, are they trying to make up for all the clocksprings they had to replace under warranty for older model van? Just sickening how they are scamming their consumer. Actually, going by the parts guy at the dealership they are still using this clockspring for the 5th generation vans as well. They just changed the two letters in the parts number and jacked up the price from 60 bucks to 200.

    Now, back to my horn problem, first of all, let me say that changing the clockspring was very easy, as long as you follow the safety measure of disconnecting the negative battery cable, it should all be good. Very easy job to do, I didn't even need a steering puller, just used my bare hands to take the steering off, just wiggled it a little and off it came, very easy. The new clocksprings have a little tab that centers them, which you can break off after you put the steering will off. Now back to the horn, no, the clockspring didn't fix the horn problem. I guess my old clockspring was good afterall. Also, I tried grounding the horn wire from the steering column to see if the horn works and rule out the horn pad, and looks like the horn doesn't work, and it has something to do with the wiring after the clockspring. I even tried to ground the wiring for the horn from the wiring harness that plugs on the back side of the clockspring and still no go. So, I guess my old clockspring was fine, and the horn pad is also fine, it looks to be something with the wiring. I'm not too much of an electrical person, but where do you guys recommend I check the wiring next, where does the horn wire lead to? Does it go directly to the fuse box? Maybe a cold solder connection there that needs to be fixed. Please advice where I should go from here. Thanks.
    2006 Caravan SE. Oil Changed @165000KM.

  12. #10
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    the ground circuit from the horn switch goes through the clock spring (C1 - pin3, DG/VT wire) to the IPM (C7 - pin 19, DG/VT wire)
    Inside IPM, it does to FCM via pin 17 and Horn Relay Control (ground side of relay coil) is sent back to IPM via pin 10..
    the supply for the Horn relay is through Fuse #8 20 Amp

    The Horn receives power via IPM connector (C2, pin 5 - DG/OR wire) this is listed for high note horn.. (but is probably for both..)

    you can look for yourself:
    http://www.dodge.com/bodybuilder/200...oweroutlet.pdf

    If you've not done so already, try swapping the horn relay - just to make sure...
    relevant vehicle: '05 -=C=- T&C Ltd @~110K

  13. The Following User Says Thank You to atoman For This Useful Post:

    MrBiglund (01-07-2011)

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