What is this thing?

[BRONCO635]

Can anyone tell me what the small thing with the spades does and how it wires in. It's been a while since I torn it down and can't remember. Thanks


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[half cab]

Spades around here claims to have big thangs n they stays wiredOh wait that's racist!

Where is pix?

 

[BRONCO635]

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[BRONCO635]

Sorry it didn't load 1st time


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[gnpenning]

Blower resistor. One end to motor other to switch.

 

[half cab]

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Man I use to have a drawing Viper had that was more detailed. Can't find it.

 

[BRONCO635]

I assume it goes in series of motor in order to give you the low speed from the dash selector.


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[Broncobowsher]

Correct. Low speed through the resistor (drops the voltage to the motor so it runs slower). High speed bypasses the resistor so the blower runs full voltage (full speed).

The resistor is in the case so there is airflow over it to cool it off. As a byproduct of lowering the voltage it makes heat. since there is a fan to cool it while it is running, pretty good place to put it.

 

[BRONCO635]

Thanks guys I knew I could get answer up here.


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[sprdv1]

Learn something new all the time

Correct. Low speed through the resistor (drops the voltage to the motor so it runs slower). High speed bypasses the resistor so the blower runs full voltage (full speed).

The resistor is in the case so there is airflow over it to cool it off. As a byproduct of lowering the voltage it makes heat. since there is a fan to cool it while it is running, pretty good place to put it.