2002 Honda Civic Heat and A/C problem

So my heat and air do not work at all. All the fuses are good, blower motor is good, replaced the resistor and the fan works when we tested it but still nothing. I mean nothing works at all. I can't even use the back window defroster. Does anyone know what's wrong or has anyone ever had this problem?

You've included most of the needed information but left out the trim level (EX, DX, SI etc). Is it a hatchback? It's crucial when it comes to electrical/ electronic and choosing the correct wiring diagram(s) for the troubleshooting the system.

What's does not work? The blower? Are both cooling fans come on when you turn the AC on? No heat? No AC? No rear defroster? List the individual problem so we know what to advise and check into.

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