Why doesn't the heater/ac and power windows work?

Whenever I start the car the power windows do not work and the heater/ac won't turn on as well. Sometimes they both run but most of the time they do not run. I have looked at the fuses and have not found any of them are bad. I am not sure where to look or what to do.

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Do the power windows work when you turn the key to on but do not start the engine? Unlikely that it is a fuse since the error is intermittent. Besides the fuses, what else have you checked? Both of those accessories do have relays, so that is where I would start.


The windows do not work in accessory position. The only other thing that I tried is simulating starting the car while I was driving this started heater and windows, but it only worked once.


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