Is your car heater or AC fan not working? Before you replace your blower motor, watch this.

In this video, I show you 3 different ways to test a blower motor to see if it’s actually bad. These simple diagnostic methods will help you avoid guessing and save money on unnecessary parts.

I walk you step-by-step through:

🔹 How to test a blower motor with a multimeter
🔹 How to check it using a test light
🔹 How to use a simple light bulb load test to verify operation
🔹 BONUS: How to test blower motor power and ground using a Power Probe

If your blower motor isn’t blowing air, only works on certain speeds, or stopped working completely, these tests will help you determine whether the problem is:

The blower motor

A bad ground

No power supply

Or another electrical issue

This video is perfect for DIY mechanics, beginners, or anyone troubleshooting automotive electrical problems.

Don’t replace parts blindly — test first.

If this helped you, make sure to like, subscribe, and check out my other automotive how-to videos.

🔧 Tools Used in This Video

Below are some of the tools I used in this video. If you’d like to pick them up or check them out, I’ve included affiliate links. Using these links helps support the channel at no extra cost to you — I appreciate it!

Multimeter = https://amzn.to/4u7clVl
Test Light = https://amzn.to/4lb4wtK
Power Probe III = https://amzn.to/3PgFwoQ