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Quiet horn and chimes...

  #1  
Old 11-13-2018, 04:48 PM
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Quiet horn and chimes...

Howdy folks!

All has been well in F-150 land here until recently. For a time, the chime and horn stopped working completely. Yes, the fuse was fine (tested with a multi-meter and looked great in physical inspection as well). Then, a few weeks later, they began functioning again but they are very quiet. The chime can barely be heard while the horn is much quieter than it should be. The horn relay has always worked, no matter what the condition has been.

Any ideas out there? It is so odd andannoying to me.

By the way, my pickup should be in the sign, but if not it is a 1990 Ford F-150 XLT. No power door locks nor windows.

Thanks for the help!

Jason
Oregon Coast

 
  #2  
Old 11-15-2018, 07:56 AM
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I suppose I'll give this a nudge to make sure I will have to go this one alone... Hahahahha. I figured it might be a head scratcher.
 
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Old 11-15-2018, 03:34 PM
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When you say the chime isn't working, or is too quiet, are you talking about the chime that tells you the keys are in the ignition with the door open? Or that you left your headlights on?
 
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Old 11-15-2018, 03:38 PM
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Yes, they are the same chime. And the quiet chime is the same volume, whether leaving keys in the ignition or if the headlights were left on.

It is "working" in that it can be barely heard (I am 40-something years old, married to a doctor of audiology and have my hearing tested regularly, she lists me as having "normal" hearing for my demographic). But it is - perhaps - 10% of its usual volume. And the horn is also greatly diminished. Both occurred at the exact same time.

Thanks for replying!
 
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Old 11-15-2018, 08:20 PM
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The chime moduals are known to go low on volume or have no sound at all. It's the way its made, the foam supports for the chime rot and the chime will not work. I took apart the modual and changed out that wierd chime with a small computer speaker. Now it was TOO loud... till I wrapped it with good ole duct tape. That was done 8+ years ago.


Maybe I'll stuff in that Chrysler voice modual..... with that nasally voice "Your door is ajar" and "Don't forget your keys".......


As for the horns going low as the same time, I do not think its a related problem, but check the horn relay, its right next to the chime modal and there could be a common issue (water leak or messed up wires)
 
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Old 11-15-2018, 08:23 PM
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Hahahahah... Hilarious... So, tell me more about this chime module... Where is it? RIght there under the dash? Any pointers on what it looks like? What kind of computer speaker did you use? Thanks for all the guidance...
 
  #7  
Old 11-15-2018, 08:27 PM
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They are under the dash between the gas pedal and ash tray. The chime modual is a trapizoid box about 3" by 1" thick. If the 90 truck is same as my 89, the horn relay may be blue or black. You will have to stand on your head to see them up there.
 
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Old 11-15-2018, 08:32 PM
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  #9  
Old 11-15-2018, 09:02 PM
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Thanks Eddie! Very grateful, I assure you... Have a great night!
 
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Old 11-15-2018, 09:38 PM
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You can probably swap in a newer chime module and get the nice "bong" sound :-P


 
  #11  
Old 11-15-2018, 11:42 PM
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Both going out together makes me wonder if it's got some wiring in common that's failed, though given the difference in power draw between the two I doubt both would be equally impacted by a weak connection. The horns themselves should be pretty easy to rule out, just unplug one and jumper power to it and see if it blows as loud as usual. The only other thing I can think of to see if they're connected is to see if the horn changes volume with the buzzer on/off, which sounds like a great way to really annoy your neighbors.

As long as we're talking about modified door chimes...
 


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