# how to test blower motor with multimeter

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\u00a9 2020 wikiHow, Inc. All rights reserved. This article has been viewed 43,969 times. Set the voltage setting of the insulation resistance tester to 500V and check motor windings to earth. M signifies 1 million. : 34,363 Status: Does anyone here have any experience with testing a resistor using a multimeter? And in most cases the motor found in these devices is known as a single-phase motor. If there is no beep or you get a high reading, check the dial to make sure you’re on the right setting. Learn more... To test continuity, all you have to do is stick 2 terminals on your multimeter against 2 ends of an electrical current. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. In other words, the actual Ohms value is not important as long as the reading is not OL (when the test step indicates a continuity result). Remove the negative cable from the vehicle's battery. This article will give the step by step guide into doing just that. If your car’s blower has only 4 or 5 different speed settings, it likely uses a simple electric resistor to control the fan’s speed. wikiHow is where trusted research and expert knowledge come together. If there is any reading on any of these then the motor is bad, do not use it. This matters more if you’re checking voltage, and there isn’t any special difference between the cords themselves though. Continuity refers to how much resistance there is in a closed electrical current. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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