Hey Scotty. My car is overheating, and when I looked under the bonnet, the cooling fan isn't working…

Hey Scotty. My car is overheating, and when I looked under the bonnet, the cooling fan isn't working. I want to test the blower motor with the power probe 3 that I bought off Amazon when I've seen you use it. There's 2 wires on the blower motor. One black wire and one blue wire. I'm just wondering which wire is the power wire

blue is power, but always check em this way: Unplug the fan and put power and ground to the fan while unplugged from the car. They are DC motors, and hooking up backwards then only makes em run backwards, hurts nothing unplugged

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