2005 Honda Civic running hot after replacing the radiator, heater core, and thermostat?

Things I've noticed.

It running hot is directly tied to me turning the heater and AC on. Usually turning the heater on would cool the engine down, but it makes the temperature spike.

I replaced the heater core because it was leaking and I smelled antifreeze when the AC was on.

The radiator is brand new.

I've straight wired both fans to the battery.

Please help me.

Thanks

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