Carl Johnson Auto Service

Auto Repair & Mechanics : How to Test a Car Voltage Regulator

Posted by admin on January 25, 2010

Car voltage regulators are usually tested with a multimeter, which is clamped directly onto a car battery’s terminals. Find out why a car battery should have 12 volts with the car off with help from an auto mechanic in this free video on car repairs and mechanics.

Expert: J.B. Hebert
Contact: www.wrxtra.com
Bio: J.B. Hebert is a machinist, metal fabricator, and auto mechanic who has been fixing and modifying all things mechanical for over 20 years.
Filmmaker: David Pakman

Duration : 0:2:19


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Posted under auto repair
Comments (15)
  1. dosteddaram Said,

    minim 12.5 volt
    minim 12.5 volt

  2. fastodie Said,

    so how much volts u …
    so how much volts u need to turn on your car??? like the lowest volts to turn it on??

  3. dosteddaram Said,

    I am pareciate of …
    I am pareciate of you uploading the best useful video’s.

  4. raybartee Said,

    Bar none most …
    Bar none most informative video on the subject I’ve seen yet. Thanks a million.

  5. khonglap Said,

    Thank you for your …
    Thank you for your post good video for millions people. Please post more videos when you have time. Thanks

  6. albertonex19 Said,

    Good video.
    Just to …
    Good video.
    Just to say ive gotten mad reading like 40+v from cheap multimeters with a low battery(in the multimeter)

  7. OyOTurcios Said,

    thank you so much …
    thank you so much good job with this video

  8. stan021 Said,

    very good video, …
    very good video, thank you

  9. cobrachoppergirl Said,

    I get 14+ volts …
    I get 14+ volts coming out of my brand new alternator, but as soon as I reconnect the fusible link that connects it to my brand new battery (at 12.5 volts)… I only get about 12.8 volts at the battery terminals. It steadily climbs by .01 volts every five seconds to maybe 13.3. If turn on my bright lights, it drops down to 12.6 and stays there. I don’t understand it at all, my alternator and voltage regulator are brandnew and producing 14+ volts, but its not reflected at the battery.

  10. hlbpr Said,

    Or, if excess …
    Or, if excess voltage is encountered, could it be bad ground connections?

  11. MrKhalio Said,

    thanks 4 your vidio
    thanks 4 your vidio

  12. higgo714 Said,

    fuck i love being a …
    i love being a mechanic, best trade ever.

  13. luckyanthony77 Said,

    Thank you very much …
    Thank you very much. I learn more here than, I do in the school that i attend.

  14. raymonlelsz Said,

    honda 3liter vtec
    honda 3liter vtec

  15. Arthursfhdf Said,

    Great video, If …
    Great video, If you need any help getting your videos or channel exposed, i use a service called thetubeviews . net it has helped 5 of my videos get ranked on the first page

    Awesome!