check the grid in the back glass to make sure there are no nicks in it
decode vin 1973 Volkswagen beetle
1973 vw beetle
poorly
12 volts
1600 cc
Its for your back window defrost
SAE 10w30
The curb weight is 2100lbs.
1973 super beetle comes with 1600 cc motor.
One is the Heat on/off and the other is the Defrost/Floor lever.
As long as the 73 isn't a super beetle then yes they should fit.
It would depend on which defrost system is not working, the rearview mirrors, back window or front window.