How do you remove and replace the blower switch? Is it necessary to remove the dash? on 2002 Dodge Durango

The blower does not work. It could be the switch or the motor. Plan to do switch first.

Asked by for the 2002 Dodge Durango
my blower stopped working on my 02 durango, i replaced the blower and the blower relay is what i think they call it. the blower is on the right side under glove box and the relay is just the left of it. the blower is held in with three screws and the relay twoscrews
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Could be the blower motor resistor as well. Located under glove compartment