The small motor fan version has 3 integral wires, low, high, and ground.
The Bentley diagram has the symbol of a resistor shown inside the motor
to create the lower speed. The fan motors I have looked at seem like
sealed units and I have never tried to open one up to see what is really
in there.

Mark

neil n wrote:
> Thanks guys.
>
> So I guess the question may be:
>
> am I seeing a resistor at "1" of the 2 speed non AC "Rad Fan" on P 97.66 ?
>
> Maybe a moot question? If fan stops working on low speed, and fault is
> at fan motor, only option is to replace it?
>
> Neil.
>
>
>