under right side dash, near blower fan. has two screws & connector.
Its located under the hood on the passengers side mounted in the a/c housing assembly.........
right next to the blower motor I'm don't know about the 2000 model, but it is directly behind the blower motor of the 1999 Century.
The location of the blower resister in a 2000 ford f150 is under the dash. It is mounted up behind the glove box.
Under the hood, passenger side firewall, close to the heater blower motor.
You have a bad blower motor resister.........
Your blower motor resister, which is a circuit card located in the bottom side of the blower housing ( just over your front passenger's toes ) is most likely partially cooked - replace it.
I'm not a mechanic, but I do believe if you bypass the resister you will only have high speed on the fan. To that end, if the resister is your problem you should already have only high speed on the fan.
were is the fuel pump relay located in 2000 ford expedition?
Check with your local auto parts store. If they can't get it, call the Chrysler dealer.
Check your owners manual. If you don't have one copy & paste this link. http://www.genuineservice.com/genuineservice/en/gloveboxresults
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Fuse is blown.