You mean the fan wont work at all? Does it work on speed 4? If so then the
resistor pack has burnt out. If it wont work at all on any speeds then you
have a faulty motor, or fuses.
If the fan works fine, but the a/c wont engage, then your short of gas, one
of the safety switches has failed, you have a faulty relay (there are 3) or
failed fuse, or the compressor clutch is knackered.
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