The blower resistor assembly is located under the hood, on the heater case to the right of the blower motor. Haynes Manual #36071
From the www.2carpros.com website: http://www.2carpros.com/forum/1998-ford-ranger-blower-motor-vt87146.html "(The blower fan resister is) located in the engine compartment inboard of the blower motor and slightly below it."
The blower resister could be bad, or the blower switch could be failing. Check the resister first, it is commonly mounted at the rear of the blower housing under the hood.
resister is located on the plenum next to the blower motor under the hood
I found the resister, it is a small module held by 2 small screws on the base of the heater blower behind the glove box.
The location of the blower resister in a 2000 ford f150 is under the dash. It is mounted up behind the glove box.
On a 1996 Ford Ranger : The blower motor resistor is in the engine compartment It is below and to the drivers side of the blower motor
the blower fan resistor is located in behind the glove compartment to the left of the blower motor. you have to remove glove compartment to get at resistor.
where is the tensioner for the serpentine belt on a 2004 ford ranger
On a 1995 Ford Ranger : The heater blower motor is in the ENGINE COMPARTMENT , near the firewall , on the passenger side of the engine
On the firewall behind the battery under the hood.
right beside the blower there is a plug ..unplug it and remove the two screws ...pull out your resister
either on the passenger side under the hood. or underneath the glove box on the side of the blower motor.