1955 Ford Fairlane Horn Ring


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By lyonroad - 10 Years Ago
I am wondering if anyone has a reasonable understanding of how the 1955 ford horn operates.  I have the original horn ring that has been previously disassembled.  It consists of the chrome semi circular horn ring with plastic center cap. Under the cap is the horn operating mechanism. This consists of an upper ring with three arms that secures the plastic cap.  The second ring is domed and makes contact with the wire coming up the center of the steering shaft.  On top of the dome on this second ring is a piece of foam rubber that seems to press up against the plastic center cap.  This ring floats on three nylon shoulder bushings.  The final ring has the three tabs that engage and secure the horn ring to the steering wheel and also contains the large spring that keeps pressure between the horn ring and the steering wheel.  Three screws secure the three rings to the horn ring.  My questions are:  Is the piece of foam rubber simply a spacer between the plastic center cap and the upper contact ring or is it an integral part of the horn operation?  The three shoulder bushings appear to have been installed with the larger diameter shoulder facing down, however I am not totally sure if this correct as they can either be installed up or down.  Finally, where is the electrical contact made? Obviously the second of the three rings must contact something when the chrome ring is depressed but I can't I can't see what it is.  Any help would be appreciated.
By crownvic55 - 10 Years Ago
Mark,
The foam or rubber plug is to keep domed plate from making contact until horn ring is depressed.  The bushings are installed with the larger shoulder between the domed plate and the final plate with the big spring.  When horn depressed the domed plate will make contact with the steering column. 
By lyonroad - 10 Years Ago
Thanks Ben.  I think I have it assembled properly.  I see in your picture that it appears that there is some sort of residue on the bottom of the lower plate.  Mine has similar residue and I wonder if something was glued to the bottom plate at some time?  Has anyone ever had to replace the foam rubber plug?
Thanks again.
By MoonShadow - 10 Years Ago
There is a foam or rubber circle that is glued on there. Prevents accidental honking. Most vintage Ford supply houses have them. Chuck
By lyonroad - 10 Years Ago
Thanks Chuck, I'll look for it , or make one.
By Paul - 9 Years Ago
Does the horn spring go between the steering column and the horn ring assembly ... or is it part of the horn ring assembly in between the two plates that are separated by the nylon bushings? My dad and I have been struggling with for two days. The horn goes off intermittently without touching the horn so we don't have something right. I think the spring keeps the two plates separated ... but we also think the spring goes between the ring assembly and the column.

Pictures here ... or a video ... would be awesome.