If the blower is using a multi speed motor the settings will be labeled as high medium and low. Disconnect the multi wire connector from the blower motor resister next to the blower motor.
3 Speed Blower Motor Wiring Help Doityourself Com Community
Blower motor wiring diagram. It reveals the elements of the circuit as streamlined shapes and also the power and signal connections between the devices. Variable speed blower motors dont use a blower motor resistor. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential hvac. A wiring diagram is a streamlined standard pictorial depiction of an electrical circuit. In those applications the hvac control head is a digitally. 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.
Start the car and turn the air conditioning on. Hope this helps a few folks out. However some people still struggle with the wiring part of the motor to the capacitor. How to wire a run capacitor to a motor blowers condensers sometimes when a blower or condenser fan motor goes bad a technician or even a diyer has issues wiring the new motor and capacitormost motors come with clear instructions or a wiring diagram on the side. Just to the left of the blower motor an electrical connector connected to a flat 1 inch by 2 inch plate can be seen. Assortment of furnace blower motor wiring diagram.
This is the blower motor resister which controls the fan speeds. Variety of blower motor wiring diagram. How to wire a furnace or ac blower motor. Blower motor resistor wiring diagram wiring 2005 chevy silverado blower motor resistor wiring diagram wiring diagram consists of many detailed illustrations that show the relationship of assorted products. A wiring diagram is a simplified traditional pictorial representation of an electrical circuit. Instead they use a blower motor speed control or a power transistor.
Using the wiring diagram for the unit that holds the blower motor it will be possible to identify the fan relay as well as the various speed terminals and terminal locations if the motor is multi speed. Variable speed motors are most often used in vehicles with automatic climate control. Blower motor wiring diagram for variable speed systems.