Fan blower fuse location on a ford f150 year 2000

Michael, Blower motor resistor is behind glove box, open glove box, push in on tabs(sides of glove box) and there is the resistor.
links below are vids. showing how to.
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Charlie, 1st thing is to check your fuses. I will post some links to help you see and solve problem. May not be your exact model but steps are basically the same.
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What have you checked so far ?
Fuse - resistor - power at the blower motor ?

The Flasher relay is in a 2 position relay block, under the dash on the driver's side, just of center from the steering column. I have seen this covered in tape on some MY, so you might be looking for the block camo'd in tap around the harness under there.

The other relay in the block is the blower motor relay.

Owners manual lists the fuses as :
Engine compartment fuse # 105, 40A
- This is the power to the blower motor relay to drive the blower.

Cab Fuse Panel, Fuse #22, 10A. This is the power to the switch in the HVAC panel.
- This fuse through the switch to operate the relay coil on the blower motor relay.

The other thing to check is the blower motor resistor, to see if there is any damage to it ( usually this is the blower only works on high )
This is behind the glove box

The problem is the Blower Motor Resistor Pack is defective. Purchase the Pack so you will know what you are looking for. It can be located in a few locations. It can be behind the glove box, behind the kick panel on the passenger side, or next to the blower motor. I am almost certain yours is located behind the glove box but not 100% sure. Hope this helps you.

Plan on finding a melted blower motor resistor. Usually when the blower goes single speed, the blower motor resistor is the cause.

You can find it on the passenger side, looking up behind the dash / Glove box area.
In this picture the passenger side kick panel ( where the inertia fuel switch is at ) is on the right hand side of the picture.


This is what it might look like when you get it out :

The blower motor only has the 1 fuse and blower motor relay on it. If it works on high, those are OK..

Parts should be less than 75.00 total from a dealer, and it is a metric socket and lay on your back on the passenger side floor repair, real easy and quick.

you need to change your blower motor resistor, located in the blower motor housing....

the fan speed is controled by reostat it is located in the blower motor housing. please rate this thanks

you can go to auto zone and get a price of a motor and at the same time get a print out and location where your blower motor is