your ac fan motor is probably bad (the motor has different speeds, one speed maybe bad), or swicth is bad (alot cheaper to fix)
The blower high relay on the top of the evaporator under the hood by the firewall passenger side is not working, may need to replace it.
Replace your headlamp switch.
Your switch could be worn out you would have to replace the rocker to the switch or replace the whole window switch console.
check the fuses in the fuse box first
I believe it is integrated with the light switch, so you need to replace the entire switch.
How do you reset the security code on a 1994 ponitac firebird formula......
The brake light switch might not be connected properly. Remove the brake light switch for 10 seconds and replace it to its original position.
If you have to hold the headlight switch out to keep the lights on, then the switch itself is bad. The switch should be a fairly easy part to replace.
Check fuses and high/low beam switch.
You need to replace the ignition switch. Too much play in it.
motors r out
A bad relay switch will cause the windshield wipers to not turn off. Replace the relay switch and the windshield wipers should turn off.
try a blower motor resistor