Now we can take our lead and plug it back in. Remove the right-hand and left-hand windshield wiper arm and blade assemblies. Mechanical resistance to the rotation of the heater blower motor for your Ford F250 causes overheating, which damages the resistor causing the fan to function on the high speed but not on lower speeds. Tighten them securely with a screwdriver. The blower motor is located behind the glove box and is easily accessible, making this a relatively quick task that can be done with basic tools. If your heater fan stops working, runs slower than normal, or creates an abnormal noise when in use, it's time for a replacement. If the blower isn't working, it could also be the resistor block more likely to burn out than the motor itself.
There are three screws holding the motor in place. It should read between 12 and 15v. Do you have a test light? You might get only medium, only high, only low, not working; or you might get a combination of them not working. Chck behind the glove box area. Pour in 5 quarts of the correct weight oil. Or you can snipthe fastener shaft.
If you google 'f150 blower motor' there should be a generic pix of it. Check the oil level and add oil as necessary to fill it to the full mark if it is not already full, keeping track of how much you add. There is not a lot of room to work back there so you may have a little trouble getting to that right side screw. Carefully unplug the wire plug from the switch and match plug to new switch box. I think removing the door is easier and moreefficient.
Unplug the blower motor and remove the 3 screws from the housing. Your Ford F-250 is ready to take on any job you throw at it - no matter how extreme the weather conditions are. I've got a 1989 Safari and I'm facing the same problem. On a 1977 F-250 there is no such thing as a blower motor relay. Disconnect theelectrical connector, remove the screws, remove, and replace theblower motor.
There are 2 screws holding it in. Glove box spring loaded, bend all the way down and remove three bolts 2. Remove the clamp from the blower case and remove the blower… The blower motor resistor is located under the glove box. Answer Look under the passenger's side dash, just below the glove boxarea. Your window must be closed and get some duct tape and tape the window in several places so it can't slide down and possibly damage something, like your hand and fingers. These resistors are easy to change and are located somewhere on the air ducts on the vehicle. Disengage theinstrument panel insulator from the instrument panel 3.
You can locate it by finding a 4 wire connector, directly below the glove box hinge towards the front of the truck. There are basically 3 things in that system the switch in dash, the blower motor and the blower motor resistor. What I usually do is take a pair of needle nose pliers. You want to just break off the plastic that is part of the resistor. I tried to short cut it and wound up busting the blower wheel while removing it. I generally like to take a little penetrating oil and clean up the contacts a little bit. Posted on Jan 04, 2010 Generally they are located inside the air duct so that the cooling air from the blower keeps the resistors cool.
When a fan speed resistor goes bad, the fan speed settings on your climate control unit will stop working. Please feel free to call us toll free 888-844-3393. There may be a plastic shield underneath, that you remove bysimply tugging down on it. To remove it you will need to remove the:. This doesn't want to come apart. For the bottom one, I've got an 8 millimeter socket. The motor is held by four screws.
The blower motor is under right-hand side of the dash, remove panelto see it. Remove the 2 bolts that hold it to the firewall and pull it out. I found on this truck that I actually. Also there is a thermal overload in series with resistors. Park the vehicle on a level surface. If you do have a … c then you need to also remove the glove box then remove the wiring plug and the six or eight screws holding the motor in the turn to remove and replace with a good one. Remove ring and slide ignition switch out through the underside of the dash.