Ford focus 2000 AC not working?

So one day, I changed my AC speed from 4 to 2 and then the AC button light went away and my AC went out. I changed the blow motor because two people told me that was problem because there was electricity flowing through it. When I press the relay for the AC in the fuse box, some part of the AC under the hood makes a noise (the noice it makes when my AC is on) but the AC doesn't turn on nor will the light turn on. Also, if it's the fuse, which fuse would it be?

I don't understand why not ask those two people. Just because they weren't right? That is really not fair. I always have good luck with two people answers. Someone answers usually work out too.

Try turning the blower motor on with out the AC. Does it work in all the speed positions?
When a blower motor resister pack goes bad the blower motor will only work on the highest speed.
if the lower speeds are not working the AC will think the blower motor is turned off and will not let the AC turn on.
Sounds like you're listening to idiots. How do you expect an electric motor to work if there's no electricity flowing through it? DUH You replaced a perfectly good blower motor!

Hi so just how long is a car supposed to last. As ford designed there cars to last 8 years or 100k miles. So now being so 17 years old it is well passed this date. So not too surprisingly it is now starting to fall apart.

Obviously if you pressed on the relay and the AC compressor engaged, there's a problem with the relay or its connection.

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