Someone please help! 99 degrees outside.
Bought new a.c. fan motor and capacitor.
New motor has 2 brown wires, 1 black, 1 white and 1 green ground. Both brown attached to new capacitor. Where do black and white wires go? Old contacter has one red wire and one open outlet. Where does the red go? What goes in the open outlet? Old compressor has one yellow wire. Where does that go?

Hello anapage

Quote:

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new motor has 2 brown wires, 1 black, 1 white and 1 green ground.

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Normal motor wiring :

The capacitor goes between the two hot motor wires, one of which is connected to the hot power line. The other capacitor-motor connection is not wired (unless the motor has to run in different directions : rewiring the hot power line to the other side of the capacitor results in the motor turning into the opposite direction.
The white motor wire is the neutral wire and is connected to the neutral power line.
The green motor wire is the earth wire and is connected to the nearest earth point.

Advice : contact the motor supplier to confirm the proper motor wiring :
Browns are capacitor only
Black is hot
White is neutral
Green is earth

Suggested motor wiring for your case :

The capacitor is connected to both brown wires.
The hot power line (the red * contacter wire) goes to the black motor wire.
The neutral wire (yellow **) is connected to the white motor wire.
The green motor wire is the earth wire and is connected to the nearest earth point.

Do you have a simple cheap multimeter, so can you do some tests?
**Check first to make sure if the red wire is the hot wire.
**Check also the yellow wire to make sure it is the neutral wire.

Just post here your findings and contact me by private mail (click on my handle and follow instructions) and I will return here to reply and advice further.

:)