Easy and Complete Glow Plug Test

More easy glow plug tests    • Glow Plug Testing  All You Need to Know  

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How to replace glow plugs video    • How To Change Glow Plugs  

See also my Easy and Complete Spark Plug Test video here.    • How To Test a Spark Plug  

DO NOT connect glow plugs directly to a battery.
I show how to do a simple resistance test using a cheap multimeter followed by a live, on-battery comparison test to show the difference between a defective and working glow plug.
This is a general test so for greater accuracy, find out your specific ohms value for your engine.
I test the Euro3 Volvo D5 glow plug which should be 0.685 ohms. As an Amazon Associate I earn from qualifying purchases. Using my Amazon links does not cost you any extra.