First of all, check the fuse on the fuse box under blower motor. If the fuse is ok, the blower control switch could be the culprit.
nius: Ford contours are known for their fault heater blowers, the switch melts as well as the connections to it... the switch is 20 bux, for has a recal on the plug (10 year 100,000 mile which ever comes first) take it to a for dealer and they should fix it for free
Bad blower resistor. I just replaced mine.
You remove the heater blower by removing the bottom cover of the Glove Compartment. Then you will see The heater blower housing. Then you will see like a black clip you need to lift. Then You simply turn clockwise and bingo its off. To install just do the same thing except in reverse mode. Good Luck!!
The blower resistor assembly is located on the heater case to the right of the blower motor. - Haynes Repair Manual #36071, 1993-2005 Ford Ranger Pick-ups
The heater blower resister is under the dash on the passenger side. It is inserted into the side of the blower motor case.
Need the correct model of vehicle you have and you cannot repair a heater core...........
How do you replace the heater blower motor resistor on a 1998 gmc serria 1500 p/u
Heater core? Inlet or outlet hose fitting at heater core?
Heater core leaking?
How do I repair heater that won't shut off in 1998 chevy s-10 zr2 pickup?
Look behind the glove box. under dash.
rather than explain, go to autozone in your search, they have it detailed very well, with pictures in the repair section. good luck, glenn.
Bad bearing in blower motor?