Can anybody help me with the following problems on my 94 ver1 sti.

1 The heater blowers work fine when the car is cold, once the car is warm they cut out and then only work when the engine is switched off.
The air recirculatin switch is also tempramental and sometimes only flashes when switched on?

2 The electric windows have stopped working completely?

3 the indicators and stereo have stopped working

any help appreciated,

Thanks in advance