2004 Accord heating/ac

Has anyone had any problems with their heating/ac going out all of a
sudden? I can’t get the vent or defrost or anything to even come on.
My friend looked and said that I still have power to the fan, etc, but
for some reason nothing comes on. The lights on the ac/heating, etc
still come on, but nothing happens. Any ideas? Please help if you
can. Thanks.

 

What do you mean by "I have power to the fan"?
If you measure about 12 (or more) volts on the blower motor terminals and
the blower is not spinning than I would suggest your blower motor is not
working. It could have a bad connection and be intermittent.

p.s. have you checked all the relevant fuses already?

 

Ended up taking it to the dealership, turns out it was a
transistor..cost me $200, but everything works again. Thank goodness
with winter coming on. Thanks for your help, though