Horn button differwnce

[68ihscout]

1970 c20 came with after market steering wheel grant ,picked up a 75 chevy tru k steering wheel (with the square horn button )what if anything do i need to xhange for the horn to work or are the insides the same ,thanks in advance

[franken]

All the parts needed to make the horn work will be needed. I don't see any pics of what you have so no way to know what you need to get. If the horn button on the stock wheel is in place, chanced are the parts in the wheel are there.
You need the green or white plastic cancelling cam with the contact that sticks up through the wheel. Here are a few links to searches.

https://www.google.com/search?ei=lUV...iz.9q_Tf6Vauyg
https://www.google.com/search?ei=skV...67.bO7yjH_UXsY

[68ihscout]

Sorry about that ,i got everything but the contact pin and spring ,i could be wrong but isn’t there 2 types of contact pins one for 67 72 and 73 up? Thanks
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