Mine didn't have any.
The biggest difference is the 74 has energy absorbing bumpers that the 73 is lacking.
between the rear wheels
Someone put one on it.
1974 was the first year of energy absorbing Beetle bumpers. You can't use earlier bumpers on 1974s.
check jbugs.com
NO
Machine 7 or Just aircooled
correct it will fit. be sure to take lots of pictures before you pull all of the wires off. so you have a diagram of where they go after.
Call a locksmith he can make you one on the spot.
Replace the flasher relay if the lights come on but do not flash.
J C Wwitney has manuals
The brake light switches.