There's actually 3 different switches for 67-8s, all having an integral hazard switch.
1 for the tilt - telescopic wheel (GM#7805676).
The other 2 are for the regular wheel made by either Delco-Remy (#7800483) or Boyne (#7805675). The Delco-Remy has a square hole in the hazard cover and the Boyne has a round hole.
These are for all 67-68s Cadillac models, not just Eldorados.