Ac Blower Wiring
Locate the blower motor s wire.
Ac blower wiring. When you go to high speed none of the resistors are powered. Make sure the motor is not connected to any power source. Notesome ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. How to wire a blower motor obtain a replacement motor.
If the motor is malfunctioning or not functioning at all the problem may be due to weak. Locate and identify the. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac. How to wire a furnace or ac blower motor.
This video shows how to wire a furnace blower motor to an extension cord how to reverse the rotation what information is needed to pick a replacement. Locate and label all wires. The tan light blue and yellow wires from the blower speed switch each feed power into one of the resistors. Standard ac with standard air handler and single stage backup heat control wiring.
Each resistor is then tied together and comes out of the resistor connector as a dark blue wire which splices in the harness to the blower motor wire.