There are a few reasons why the power windows on a 1975 Corvette won't work. A few of these would be a wiring issue, a motor issue or the fuse is blown.
could be the motor is bad. check with a mechanic.
Check the fuse
I tried replacing the window switch , this isnt the problem all windows still wont work.
The motor is probably damaged or the fuse is blown that powers the power windows.
First, clean the inside glass COMPLETELY, then use an anti-fogging agent. You can get it at a parts store.
Wont have a power window fuse. Power windows usually are controlled by a circuit breaker.
Power brake booster is going bad. wont hold vacuum for power brakes to work.
Replace power window relay.Located under drivers side scuff plate.
driver window wont go up
the battery is flat
need to replace your center console
On my 2004 Jeep Liberty the power windows and the horn relay are powered by the front power outlet fuse. use at least a 20 amp fuse.