I just bought a 1967 Cougar drove it home parked in the garage went back out and i turn the key and nothing happens?

W,

Here is a link to a no start condition on a 68 xr7. Your 67 is similar.

https://forum.classiccougarcommunity.com/t/1968-xr7-with-c4-will-not-crank-via-ignition-key/29207/20

Let me know if you need any additional help

Coach Jack