Basics Of Troubleshooting The Blower Control Switch The blower motor switch works by rerouting the current that passes through it from one internal contact to another. Coolant recovery tank and power antenna need to be removed. Their sturdy design ensures long-time service, so replace your damaged parts with these brand new blower motors. Test the connection to the blower motor. I'll show you how in a step-by-step way so that you can find out if its bad and needs to be replaced or not.
Posted on Jun 01, 2010 To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests. The fan is attached to the blower motor shaft. If the fuse is good, then it is either the blower motor switch, blower motor Resistor Pack, or the Blower Motor itself. You have a failure in either the resistor pack, or the switch, or the wiring which connects those two items. The blower motor is the cause of the resister failure.
Even if the motor seems to sound,and run fine,it is pulling to many amps. All Replacement brand items are backed by 1-year, unlimited-mileage warranty. The blower motor is the cause of the resister failure. On my 91 E-150 it is bolted to the fan housing under the hood. If not, then you will be out the cost of the blower motor and still have no air.
Feb 21, 2011 Replace the blower motor resister,it is mounted right next to the blower motor,it has a lug with about 7 wires on it. Yes, the fuse may be blown, but fuses do not just go around blowing themselves out to make your day miserable. My best guess is that your problem is within that resistor module. Check for melting on the blower motor resistor or its plug. You lift up the hood, locate the blower motor, remove screws and replace it. Test the connection to the blower motor.
Just unplug it and remove two screws to remove the resister. Replacing components is a necessary activity in restoring or customizing your vehicle. We only sell parts from trusted brands like so that you can find quality parts you can count on. Replacement Direct Fit Blower Motor - Brand New is a high quality product to replace your old or damaged factory unit. Does the motor not work at all or only on high setting? This controls the speeds for the blower motor. Feb 21, 2011 Replace the blower motor resister,it is mounted right next to the blower motor,it has a lug with about 7 wires on it.
If the fuse is blown, there is a reason for it. Double check your multimeter connections and repeat the tests. Check for power at the motor itself. Most auto parts stores will carry them I got mine at advance auto. If I remember correctly the cover has six screws in it, remove them, then you can pry the cover off.
. If the fuse is blown, there is a reason for it. Posted on Jun 01, 2010 To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests. Hope this helps, Mack the blower motor speed resistor on a boxer van is behind the glovebox. If not, then you will be out the cost of the blower motor and still have no air. Blower motor lead wire is disconnected.
To guarantee the quietest operation, the sound of the operating motor is also tested to ensure comfortable air movement without excessive noise. Does the motor not work at all or only on high setting? Even if the motor seems to sound,and run fine,it is pulling to many amps. The blower motor switch is a pretty easy component to test with a multimeter in Ohms mode Ω. This is no cause for concern since the circuit descriptions are the same for all of the Ford vehicles covered by this repair tutorial. That pack will contain two resistors, and if they have burned out then there will be a strong burning smell from within. Fuse failure often causes component failure. Since these are mechanical connections the blower switch is making to open and close these circuits.
There are probably some people that would tell you to just replace the blower motor. For this test go to:. If the blower motor, resistor, or plug need to be replaced, O'Reilly Auto Parts has the parts you need. On top of low prices, Advance Auto Parts offers 3 different trusted brands of Blower Motor products for the 2005 Ford E-250 Econoline. There is also a relay that might not be working if your lighter works the fuse is not blown the fan motor is switched off of the ground so with key on there should always be power there Licenced tech 17 years It is on the right hand side of the vehicle near the right fender.