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Pump speed can you slowdown the pump be reducing power voltage

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Maybe. What make and model pump?

Posted on Jul 18, 2013


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Voltage drop

What make and model pump?

Jul 18, 2013 | Jacuzzi Pool & Spa

1 Answer


Hi I will try and help you if i can.
Yes, there will be a resistor pack that controls the speed of the blower motor.
Usually on a 4 speed motor there will be three resistors.
When 4 speed is selected the motor gets full 12volts ( no resistors used )
When 3 speed is selected the motor gets its Voltage via 1 resistor ( reducing the speed )
When 2 speed is selected the motor gets its Voltage via 2 resistors ( reducing speed even more )
When 1 speed is selected the motor gets its Voltage via 3 resistors ( giving the lowest speed ).
Usually when the resistor pack burns out the motor will work but only on no.4 speed which does not use the resistors.
So i think your problem might be the control switch.
Ihope i have been of some help to you.
John ( South Wales UK )

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If this was useful to you please vote. thanks.

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Blower speeds 1, 2 & 3 don't work on my 2002 grand am GT. Cruise control kicks our now and then for no given reason. Any thoughts?

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Voltage is high around 150 volts. I reduced the

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