How To Check Battery Drain On Car. Proper car battery maintenance ensures your vehicle is already ready to go. Ive attempted to check with a multimeter which includes instructions for the parasitic drain test but dont get any reading when putting it in series between the negative battery cable and the negative battery terminal.
Connect the black wire from your multimeter to the port listed as COM. My NEW HD VIDEO with a better method can be found herehttpswwwyoutub. Measure the current flow from the battery to the alternator Alternator battery drain test The alternator battery drain test may require a qualified mechanic.
How to Test It with a Test Light.
Sometimes this happens despite no fault with the battery or obvious reasons like leaving the headlights on. Ive attempted to check with a multimeter which includes instructions for the parasitic drain test but dont get any reading when putting it in series between the negative battery cable and the negative battery terminal. Check battery cables and terminals often for a secure connection. How to test battery.
