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Thread: Blower motor question

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    Blower motor question

    Does anyone know what this bit does hanging off the blower motor?

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    Senior Member AtomicPunk's Avatar
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    Quote Originally Posted by skyblue View Post
    Does anyone know what this bit does hanging off the blower motor?

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    Looks to be the electrical connector to the wiring harness.

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    I thought that too but the electrical diagrams only say 2 to 3 wires, I can only see the two yellow and red wires, I don't know what 3R means because, I suspect it might be a splice of the red or yellow. Maybe it's some kind of vent for the motor?

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    Does anyone off the top of their head know the amperage draw at full speed?

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    Senior Member klroger's Avatar
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    Quote Originally Posted by skyblue View Post
    Does anyone know what this bit does hanging off the blower motor?

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    Would it be the resistor / controller for fan speed control??? I know it has to be cooled... Just a guess tho...
    I didn't know what to do, so I didn't do anything

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    Quote Originally Posted by klroger View Post
    Would it be the resistor / controller for fan speed control??? I know it has to be cooled... Just a guess tho...
    Unfortunately not, the resistor is located elsewhere.

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    I was intending to setup a system where I could run the fan overnight or during a hot day from a auxiliary deep cycle battery charged with a DC to DC but I think the cost of setup is going to be exorbitant.
    Last edited by skyblue; 07-23-2021 at 02:20 PM.

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    Senior Member AtomicPunk's Avatar
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    Well, hang loose. We've had heater core replacements on this forum, so somebody should answer soon that's taken them apart.

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    Senior Member AtomicPunk's Avatar
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    Quote Originally Posted by AtomicPunk View Post
    Well, hang loose. We've had heater core replacements on this forum, so somebody should answer soon that's taken them apart.

    Ok, might take longer than I thought.

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    Quote Originally Posted by AtomicPunk View Post
    Ok, might take longer than I thought.
    I reckon it's just a breather for the electric motor.

    Motor draws about 3 amps on fan setting 1 and 6 on fan setting 2, I didn't bother seeing what 3 or 4 drew, but it probably goes up linear, maybe.


    Last edited by skyblue; 07-26-2021 at 12:04 PM.

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