The pic of your wheel shows a 54 3100 dash and the correct steering wheel for 54 through 59. You have the right wheel. You need the right spring contact. What are you going to do if you drill that wheel and that contact does'nt blow the horn? You just ruined your wheel. Call the vendor. Get the correct part.

~~ Jethro
1954 3100
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In the Dity Gallery
1951 3100 (gone) / 1956 4400 (still in the neighborhood) / 1957 6400 with dump body (retired) / 1959 3100 panel (in the woods junked) / 1978 Custom Deluxe K10 / 1993 S-10 4.3 / 2004 Chevy Crew Cab / 1945 John Deere H / 1952 John Deere B / 1966 John Deere 2510 / 1967 John Deere 1020