Horn comes on steady, ignition off,car in park, doors locked

looking for a/c clutch fuse

When I turn the fan on in the car, it doesn't come on. The fan for the air conditioner, defroster, and heat

The car starts heating up when I drive up hills
The fans are not turning on in high blow until I disconnect the cooling fan sensor
I already buy a new sensor and still have the problem

When driving engine may suddenly stall, requiring you to shift to neutral to restart (while moving). It often also shuts off when in park immediately after you shut the AC off. (Large and minor emission leak errors)