WHEN I REPLACED MY IGNITION SWITCH I THOUGHT THAT WOULD FIX MY HEAT/AC BLOWER AS WELL, IT DID FIX THE WINDOWS AND BLINKERS THOUGH?

Check for power at the blower motor first. If you have power the motor needs to be replaced. If no power then check the power at the switch

well here's your fix next to the blower motor is the resister that controls the different fan speeds the resister burns out but before getting the new resister unplug the resister as the connectors over heat and at time also need replacement

The common issue here is a defective air temperature control heater/AC blend door actuator due to a warped and or jammed blend door.

The only thing that these two circuits have in common is the ignition switch and the battery. If all of the other accessories and components are working, it would be safe to assume that it is not the battery.

If you want to diagnose just to make sure before replacing the ignition switch, you can check for voltage coming from PIn B in connector 1, ORANGE wire, at the ignition switch when the windows and blower motor are not working.

CHECK AC / HEATER IGNITION FUSE IT WILL BE 10 AMP FUSE.CHECK HVAC BLOWER 20 AMP FUSE.HAVE BLOWER MOTOR HOTWIRE TO SEE IF BLOWER MOTOR WORKS.BECAUSE THE AC / HEAT CONTROL MODULE OR SWITCH COULD GO BAD WHERE NOTHING WORKS.

replace your ignition switch it is located behind the ignition lock in the steering wheel

Having to replace an ignition switch is common. The ignition switch is solid state so you cant fix it, it will need to be replaced.

Any other strange electrical issues? Headlights, blower, wipers?
Its quite possibly the ignition switch. Just had to replace it on my daughter's 97 jetta. She had first the blinkers behaving erratically, then it was random electrical issues after that. At first we were sure it was in the combination switch, or the arms off the steering column that operate the blinkers, wipers etc. Unfortunately, that change didn't fix it. After a bit more research I learned the ignition switch on these creates these symptoms. Changing the switch wasn't very difficult with a diagram and a bit of experience and the part was only about 30.00.
Hope I've helped -Good luck!

Does your horn work? If not, I had the same problem... It was a faulty ignition switch. Believe it or not...

i would check your ignition switch inside the colomn this happened to me last week on my ram 1500 left the windows down in the rain, shorted my windows and blower motor/ac/heat, water got into the column and it shorted at the ignition, all that stuff is wired into there also, hope that helps good luck.