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The purpose of the blower in a fan is to increase the speed of the airstream with its rotating impellers. This happens because the blower contains and directs the air to where it is needed.
the blower resistor controls the fan speeds
A blower is a machine for moving volumes of a gas with moderate increase of pressure. A fan moves large amounts of gas with low increase in pressure.
Likely, your blower (fan) is out.
machanical energy
The blower relay only operates the high speed function. The blower speed resistor operates all the lower speeds. I would suspect the blower speed switch is at fault. Examine the blower speed switch and the plastic electrical plug that plugs into the switch, you may see the plug has melted.
it is probley not the blower switch. if your fan runs on 3,4 and 5 it is your blower motor resister.
Check your radiator fan switch and your fan switch coolant sensor .
Bad low limit switch,fan switch.
the fan switch.
Bad fan switch Bad fuse Bad resistor pack on blower motor Bad blower motor
A typical blower motor relay only operates the high speed function.
Change blower fan control switch in the dash
Resistor pack on blower motor? Fan switch? Low speed relay?
Blower resistor switch
You have a bad blower motor. i have seen a lot of the switches go bad turn on the fan and try pushing down on the fan switch and see if the fan comes on Just to add a liitle to this reply generally if it is your fan switch not all of the speeds burn out at the same time so try turning the switch to every position if any of them turn on ur fan than its just the switch if none of the fan speeds work than it is your blower motor.
bad blower switch located behind blower control.