How To Use A 12v Test Light

This is a video tutorial on how to use a test light to help diagnose automotive electrical problems If you have any further interest. Learn how to properly use a test light for real-world automotive diagnostics Oscar Gomez from Master Automotive Training breaks. In this video we are going to go in depth on whether you run the risk of damaging your cars computer PCM ECU ECM by using.

Parasite current draw tests can be a nightmare When a car has battery drain proper testing is vital to finding the problem This is. I am demonstrating how to use a test light to diagnose an air conditioner clutch circuit If the field coil showed no ground you would. Finding a shorted circuit can be nerve racking But with this easy method you will save your self a bunch of money on blown fuses.

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