Posts Tagged: test blower motor and resistor

How to test a blower motor and resistor

Here’s how to determine if the problem is the resistor or the blower motor Follow this guide to learn how to tell whether your problem is the blower motor or the resistor. Start with a wiring diagram Blower motors are wired using only 3 or 4 methods. To determine which blower motor wiring diagram you should use, determine if you have a 3 or 4 speed blower or a variable speed motor. Many “automatic climate controlled” systems have variable speed blowers and those don’t use a blower motor resistor; they … Read More