Ok. I did the test and this is what I found:

1. Engine running, A/C turned off. I jump the cables on that red sw and low fans start running inmediately.

2. If the drier sw is not jumped and I turn the A/C on, it takes about 30 seconds for the low fans to start running. After turning the AC off, it also takes a couple of seconds to turn the fans off.

3. Enginne running, A/C off. If I disconnect the temp sensor on the thermostat housing, I get the high fans starting inmediately. I know you didn't ask me to do that but I read this in other post and thought it could be interesting for you to know.

4. I also noticed, after turning the engine off, that you can see lots of tiny bubbles thru the drier visor. I guess that means the system is fully charged of refrigerant, right?

Is everything ok so far? What's next?

Thank you.

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Juan
1995 E320 Sedan
2008 Ford Escape
RC Helicopter