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[lozuk]

I've just bought a 51 plate Grand Cherokee and it has a few little problems with it that I didn't notice or check when I was looking around it(that'll teach me).
The first one is the a/c button doesn't seem to work. When I press it the light doesn't come on.
Also, although the blowers blow there is no hot air coming out at all.

Any clues/ideas as to what could be the problem.

P.S. - I am in no way mechanically minded at all.

[tree man]

I'd check to see if there is any gas in the system. I believe if it's not to the correct pressure the compressor won't cut in and presumably no light on the dash. Re' no hot air out the blower try turning the nob to the red