Here's how to test your car's alternator using a multimeter to see if it needs replacing or not. Diagnosing Alternator Problems. Learn how to test an alternator with a Multimeter. Does your car not start, do you have dim headlights or interior lights, does the starter sound weak when start the engine, or does your car die sitting overnight? This video will show you a few ways to test your alternator to see if it is bad, is going bad or is good. A good alternator will show a charge at around 14.2-14.7v while the car is running and under an electrical load it wont drop below 13v.

This alternator test was done on a Land Rover Discovery Sport.

Remember to subscribe to our youtube channel for new videos in this series and see our play list of over 50 existing Land Rover videos.

By HGR

http://www.howtoguidesandreviews.com

http://www.marketoracle.co.uk

Disclaimer: The above is a matter of opinion provided for general information purposes.

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