2000 ford explorer fan blower only works intermittently
The fan blower motor works most of the time, However there's times it doesn't work at all. fuse is ok. Right now it's not working at all . faint burning smell detected under hood. Relay? Blower motor? I'm Handy- could I change blower motor myself? Thank you
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might be time for a new blower motor.
check for good power and ground at the blower motor with the switch on, and / or try direct current to blower with jumper wire from battery.
knowing what yer / model vehicle would help...
I'm guessing you meant "doesn't work". There is a blower motor fuse in the fuse block you should check first. If that is ok then I'd check the wiring to the blower motor and use a volt-ohm-meter to check the blower motor itself.
Replace the blower motor resistor assembly. To locate the electrical connector for the blower motor resister, it is usually attached to a heating or air conditioning Duct, or the blower motor case. You can also trace the Purple Wire from the blower motor back to the resister. Also make sure that the blower fan is not jamed up with somthing in side and will spin freely,or binding same thing, this will also cause the fuse to blow right away. And does the motor actually spin a bit before it blows the fuse or does it blow the fuse at the same time the switch is turned on? Good Luck and have a good XMASS.
Two possible areas I would check using an ohm meter.First is the blower resistor which is usually located by the blower motor and looks like a cement rectangle or a ceramic tube with wires attached to it. The resistor should have very low resistance but should not read open from the common lead to the other terminals. If it tests good test the continuity of the fan switch. Some cars have a fuse for the high and low blower speeds so you can check your fuse diagram and look for two blower or fan fuses. Good Luck.
is the blower motor not blowing or the fan on the radiator not working? didn't say exactly which it was. If it's the blower motor and the fuse is good, it could be one of 4 things. Broken wire, bad fan speed switch, bad resistor switch (controls fan speed) or bad blower motor. Check for power to the fan speed switch, if it's good move to the resistor switch( this switch is normally located near the blower motor and is bolted to the air box to keep it cool) Pull it out and check it. It could be burnt up. If so, replace it but before doing so check to see if your blower motor works by hooking it straight up to a power source. Most of the time on older vehicles the resistor goes out due to excessive dust build-up and finally burns the coils out or it just dies of old age.