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08-13-2016, 03:29 PM | #1 |
Senior Member
Join Date: Aug 2012
Location: Houston Delaware
Posts: 202
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Having a Horn Issue
We have a Spartan horn , It will not turn or at least you have to help it. I pushed the horn button ,I took a wood dowel and help it get started and it went about 8 or 10 revolution's and stopped. I have read the threads about spraying it and checking ground witch I did even oiled it and no better, Am I missing something Thanks
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08-13-2016, 04:00 PM | #2 |
Senior Member
Join Date: May 2010
Location: Bismarck ND
Posts: 1,189
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Re: Having a Horn Issue
If you ground the blue wire connection to a solid ground and the horn does not blow well, the problem is probably in the Horn. I wouls suggest cleaning the commutator, checking the brushes and if that fails, back off on the adjuster and see if it runs fast then. If this fail, you may need a horn rebuild.
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08-13-2016, 04:36 PM | #3 |
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Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 1,909
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Re: Having a Horn Issue
Hook it up with a couple of jumper wires from the battery. If it sounds well then the problem is in the wiring of the car. If not then the trouble is with the horn.
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Dave / Lincoln Nebraska |
08-13-2016, 08:54 PM | #4 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Having a Horn Issue
My friend's horn barely turned, so I backed out the adjustment screw and held fine sandpaper on the commutator as it spun. After a few seconds of this the speed picked up and I adjusted the screw back in for proper sound. The commutator didn't look bad, but the fine sandpaper did the trick.
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08-14-2016, 12:04 AM | #5 |
Senior Member
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Re: Having a Horn Issue
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08-14-2016, 08:49 AM | #6 |
Senior Member
Join Date: Aug 2012
Location: Houston Delaware
Posts: 202
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Re: Having a Horn Issue
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09-22-2016, 08:40 PM | #7 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Having a Horn Issue
Yes, what 1930 coupe just said. I've felt some horn buttons get very warm after just a few seconds of blowing the horn. A poor connection causes heat.
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09-23-2016, 06:43 PM | #8 |
Senior Member
Join Date: May 2010
Location: La Mesa Ca
Posts: 1,166
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Re: Having a Horn Issue
A temporary fix is to push down hard on the horn button and rotate it back & forth a number of times, cleans the carbon off the contacts, till you can disassemble the button to clean the contacts right.
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09-23-2016, 07:33 PM | #9 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Having a Horn Issue
That's what I had to do to my 28 when I bought it in 1999, and it's been working fine ever since.
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09-23-2016, 07:46 PM | #10 |
Junior Member
Join Date: May 2013
Posts: 21
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Re: Having a Horn Issue
If it turns out to be the ground on the horn switch, use a electronic relay available thru Seders.
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