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How to perform a battery draw test - 2000 Ford Expedition

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To test battery drain you will need a amp meter that can read milliamps, if you do not have a inductive clamp you will need to remove the ground cable and put your meter inline this will monitor the current , however use caution as to not turn on the ignition or any doors as this high load will likely exceed the capicity of your meter and may damage it. The spec for current drain is 50ma but it is not uncommon to see up to 150-200 Keep in mind there are modules that may take up to 1/2 hour to go to sleep so you will need to monitor this for at least 1/2 hour to get a acurate result. Please rate this info for me THankyou RJ

Posted on May 30, 2010

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Posted on Jan 02, 2017

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