The Ford Barn

Ron McIntyre · 05-21-2023, 07:00 AM

Pressing horn button no sound. Horn is ok and new wire in hord rod a few years ago. It is a 1928. Previous a few weeks back the horn just made the the gah sound no ahoo. What could be the issue?

Badpuppy · 05-21-2023, 09:19 AM

Bad connection or dirty horn button contacts. Button sometimes improved by pressing in and rotating to scrub off the dirt/ corrosion.

rotorwrench · 05-21-2023, 09:29 AM

The horns all had felt pads at the bearing areas where the armature turns in the field frame assembly. They need a drop or two of oil on the felt pads periodically to keep them turning smoothly. The brushes wear and need replacement when worn down to limits.

Make sure that the battery power is getting to the horn. Make sure the horn button is grounding the horn as it should. Test the horn with a battery and some jumper leads if you have some. They have a shunt wound field so it doesn't matter which wire is connected to which terminal. It should function either way. The horn may need some adjustments but take it slow and don't put too much adjustment in or it may have too much friction to operate. (link)
https://modelagarage.com/service_bul...0is%20obtained.

Ron McIntyre · 05-21-2023, 01:26 PM

Thanks all.

Chris in WNC · 05-22-2023, 08:21 AM

Sponsored Links (Register now to hide all advertisements)

get one of those bumper stickers:
"horn broken, watch for finger"

seriously, hot wire the horn directly to battery. if it works you either have loose, corroded wiring or a problem in the button.
process of elimination, just takes some time.

05-21-2023, 07:00 AM	#1
Ron McIntyre Senior Member Join Date: Sep 2011 Posts: 171	Horn Not Working Pressing horn button no sound. Horn is ok and new wire in hord rod a few years ago. It is a 1928. Previous a few weeks back the horn just made the the gah sound no ahoo. What could be the issue?

05-21-2023, 09:19 AM	#2
Badpuppy Senior Member Join Date: Dec 2017 Location: Guthrie, OK Posts: 1,145	Re: Horn Not Working Bad connection or dirty horn button contacts. Button sometimes improved by pressing in and rotating to scrub off the dirt/ corrosion.

05-21-2023, 09:29 AM	#3
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,431	Re: Horn Not Working The horns all had felt pads at the bearing areas where the armature turns in the field frame assembly. They need a drop or two of oil on the felt pads periodically to keep them turning smoothly. The brushes wear and need replacement when worn down to limits. Make sure that the battery power is getting to the horn. Make sure the horn button is grounding the horn as it should. Test the horn with a battery and some jumper leads if you have some. They have a shunt wound field so it doesn't matter which wire is connected to which terminal. It should function either way. The horn may need some adjustments but take it slow and don't put too much adjustment in or it may have too much friction to operate. (link) https://modelagarage.com/service_bul...0is%20obtained.

05-21-2023, 01:26 PM	#4
Ron McIntyre Senior Member Join Date: Sep 2011 Posts: 171	Re: Horn Not Working Thanks all.

05-22-2023, 08:21 AM	#5
Chris in WNC Senior Member Join Date: May 2010 Location: Spruce Pine, NC Posts: 1,458	Re: Horn Not Working Sponsored Links (Register now to hide all advertisements) get one of those bumper stickers: "horn broken, watch for finger" seriously, hot wire the horn directly to battery. if it works you either have loose, corroded wiring or a problem in the button. process of elimination, just takes some time. __________________ our next Model A is out there in the unknown......