The Ford Barn

tidemills · 10-10-2021, 11:00 AM

Hi All,
I want to test this Sparton horn, which I think is original, that I took off my 34 Fordor about 15 years ago at the start of its restoration.
The labels have fallen off the cables so I now don't know which is which.
When I come to refitting on the car, I'd appreciate also knowing where the yellow and yellow/blue cables on the new loom need to go and if anything else looks amiss on the photo.
Guide: A and B are cables, C looks like a terminal that should have something connected to it. Also, is the clamp at the bottom for the wiring or something else? (The car also has a second horn which is old and cosmetically similar but with a later vibrator fitted inside).
They both worked when I took them off but I know that's no guarantee now!
Thanks in advance and any help would be much appreciated.
John

Sent from my SM-G920F using Tapatalk

DavidG · 10-10-2021, 12:04 PM

You're missing the condenser located at B. A connects to the missing condenser; the wire at the other end of the missing condenser is soldered to C. Wire B was originally soldered to where wire A is attached with solder.

Sorry, but your horn is a mess. I recommend that you find one that is free of tampering with the condenser intact or send what you have to a competent horn restorer.

The bullet ends of your new wiring harness plug into the ends of C when the other other issues are resolved.

tidemills · 10-10-2021, 12:15 PM

Thanks David.
I now remember that the condenser fell out when I took the bell off all those years ago.
I must have it somewhere.
Sadly, I don't know anyone who specialises in these horns, so I'll have to get the solder out.
I've a pair of the repro horns in reserve but I've not heard great things about the sound they make, so I'll see what I can do with the originals first before I try them.

Sent from my SM-G920F using Tapatalk

DavidG · 10-10-2021, 12:27 PM

You're welcome.

koates · 10-11-2021, 06:59 PM

Buy a new condenser on line and fit it to your horn. The old condenser will be faulty. The condenser is a .2 mfd 400 volt. You may have to clean the contacts with some fine wet & dry paper and only adjust them if really required. Only operate it on 6 volts and not 12 volts. Regards, Kevin.

Lawson Cox · 10-11-2021, 08:18 PM

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Quote:

Originally Posted by koates

Buy a new condenser on line and fit it to your horn. The old condenser will be faulty. The condenser is a .2 mfd 400 volt. You may have to clean the contacts with some fine wet & dry paper and only adjust them if really required. Only operate it on 6 volts and not 12 volts. Regards, Kevin.

I assume the condenser sixe you mention is the same for all early "Ford" horns, whether Claxon or other make. You know what happens when you assume.

koates · 10-11-2021, 08:37 PM

Lawson, when you mention Claxon (spelt wrong) are you are referring to a motor driven horn like on a Model A Ford. A motor driven horn does not require a condenser or capacitor. Only vibrator horns require one. KLAXON is a brand name, not a type of horn. RRegards, Kevin.

10-10-2021, 11:00 AM	#1
tidemills Junior Member Join Date: May 2010 Posts: 3	34 Sparton Horn Help Needed Hi All, I want to test this Sparton horn, which I think is original, that I took off my 34 Fordor about 15 years ago at the start of its restoration. The labels have fallen off the cables so I now don't know which is which. When I come to refitting on the car, I'd appreciate also knowing where the yellow and yellow/blue cables on the new loom need to go and if anything else looks amiss on the photo. Guide: A and B are cables, C looks like a terminal that should have something connected to it. Also, is the clamp at the bottom for the wiring or something else? (The car also has a second horn which is old and cosmetically similar but with a later vibrator fitted inside). They both worked when I took them off but I know that's no guarantee now! Thanks in advance and any help would be much appreciated. John Sent from my SM-G920F using Tapatalk

10-10-2021, 12:04 PM	#2
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,090	Re: 34 Sparton Horn Help Needed You're missing the condenser located at B. A connects to the missing condenser; the wire at the other end of the missing condenser is soldered to C. Wire B was originally soldered to where wire A is attached with solder. Sorry, but your horn is a mess. I recommend that you find one that is free of tampering with the condenser intact or send what you have to a competent horn restorer. The bullet ends of your new wiring harness plug into the ends of C when the other other issues are resolved.

10-10-2021, 12:15 PM	#3
tidemills Junior Member Join Date: May 2010 Posts: 3	Re: 34 Sparton Horn Help Needed Thanks David. I now remember that the condenser fell out when I took the bell off all those years ago. I must have it somewhere. Sadly, I don't know anyone who specialises in these horns, so I'll have to get the solder out. I've a pair of the repro horns in reserve but I've not heard great things about the sound they make, so I'll see what I can do with the originals first before I try them. Sent from my SM-G920F using Tapatalk

10-10-2021, 12:27 PM	#4
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,090	Re: 34 Sparton Horn Help Needed You're welcome.

10-11-2021, 06:59 PM	#5
koates Senior Member Join Date: May 2010 Location: Melbourne Australia. Posts: 2,077	Re: 34 Sparton Horn Help Needed Buy a new condenser on line and fit it to your horn. The old condenser will be faulty. The condenser is a .2 mfd 400 volt. You may have to clean the contacts with some fine wet & dry paper and only adjust them if really required. Only operate it on 6 volts and not 12 volts. Regards, Kevin.

10-11-2021, 08:37 PM	#7
koates Senior Member Join Date: May 2010 Location: Melbourne Australia. Posts: 2,077	Re: 34 Sparton Horn Help Needed Lawson, when you mention Claxon (spelt wrong) are you are referring to a motor driven horn like on a Model A Ford. A motor driven horn does not require a condenser or capacitor. Only vibrator horns require one. KLAXON is a brand name, not a type of horn. RRegards, Kevin.

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