Spectacular Furnace Blower Speed Wire Colors
Also make sure the wires do not fall back into their place in the wall.
Furnace blower speed wire colors. What color wire means what speed on blower motor. The black wire is usually the highest blower so that s why you should start with that one. 3 speed fan motor wiring diagram wirings diagram find your 3 speed fan motor wiring diagram here for 3 speed fan motor wiring diagram and you can print out search for.
Furnace blower motors technical data sheet product motor type motor finish rated horsepower supply voltage supply frequency current run capacitor lead wire length lead wire gauge temperature rating thermal overload insulation class rated speed mounting frame size bearings rotation shaft length shaft diameter shaft flats wiring diagram black blue red high medium low cap brown brown white yellow. Your furnace should have a sticker that tells you the normal range for each of the wire colors. Example white to black check resistance.
Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac. 2006 chevy silverado blower motor resistor wiring diagram. Remove the wiring meant for power supply from the furnace blower s backside.
To avoid this wrap the wires around a pencil so they cannot pass through the hole meant for the exit and the entry. Usually go to capacitor. How to wire a furnace or ac blower motor.
The higher the resistance the lower the speed. In case there is no color code for the wires they should be marked so they can be attached to the right terminal. The higher the resistance the slower the speed.
Hope this helps a few folks. On 120 volt motors. Brown brown with white stripe.