Horn button problem
Thread Starter
Drifting
Joined: Apr 2004
Posts: 1,712
Likes: 3,631
From: North Central Wisconsin & Shitcago
Horn button problem
Well, after having a bear of a time replacing the speedometer cable on my 67 S/B coupe, I put everything together and the speedo works but now the horn doesn't. The horn worked correctly before.
I took the horn button off, the horn contact/button retainer and the steering wheel off again. Inside the steering wheel hub was laying a small metal shaft with a flat head that had a small black plastic ring around it. I noticed in the steering wheel hub a hole with a spring in it. I put the small end of the metal pin inside the spring, reassembled the wheel making sure that the tab under the horn contact/ button retainer was over the pin and nothing.
When I took it apart again, as I was taking it out the horn blew so I know the horn works.
How does this pin go in? Is the small end supposed to go inside the spring or does the flat head depress the spring? What is the purpose of the black plastic ring around the pin? I have checked my reference material and nada. My car is non-telescopic and manual steering.
I took the horn button off, the horn contact/button retainer and the steering wheel off again. Inside the steering wheel hub was laying a small metal shaft with a flat head that had a small black plastic ring around it. I noticed in the steering wheel hub a hole with a spring in it. I put the small end of the metal pin inside the spring, reassembled the wheel making sure that the tab under the horn contact/ button retainer was over the pin and nothing.
When I took it apart again, as I was taking it out the horn blew so I know the horn works.
How does this pin go in? Is the small end supposed to go inside the spring or does the flat head depress the spring? What is the purpose of the black plastic ring around the pin? I have checked my reference material and nada. My car is non-telescopic and manual steering.
Le Mans Master
Joined: Jan 2000
Posts: 8,918
Likes: 27
From: New Hill NC
The head end of the plunger goes in first on top of the spring. The black plastic collar twist locks in to hold the assembly
together. To be more clear, Spring, plunger( head down), then the black collar.
together. To be more clear, Spring, plunger( head down), then the black collar.
Team Owner
Joined: Oct 2000
Posts: 38,897
Likes: 1,925
From: Washington Michigan
It's shown in your Assembly Manual in UPC 12, Sheet C1; the pin and spring carry the horn ground circuit from the cancelling cam through the steering wheel hub to the "leg" on the horn contact assembly. The black plastic collar insulates the spring and pin from the hub, which would otherwise ground them, causing the horn to blow. 
