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Parasitic Battery Draw Test

Parasitic Battery Draw Test - It is always best to do a parasitic draw test from the negative side so there is no chance of accidentally shorting should you test from the positive side. The current draw from the battery during the shutdown period of the vehicle networks and accessories is 228 ma for over 6 minutes. If the hood is equipped with a lamp, make sure to rig the pressure switch or pull the bulb to keep it from interfering with your test. Be sure to use the negative, not the positive, cable to test for the draw to. When that happens, sulfation begins to diminish both capacity and performance. Finding that you vehicle will not start every morning due to low battery voltage? Web to check if something is draining your battery while your bike is turned off you need to test for current, not volts. Web the key to long life for any battery is to make sure battery voltage doesn't drop below 12.4 volts. Web is something draining your car's battery? Touch a lead to the negative battery cable terminal.

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To Do So, Do The Following:

Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. This will display as 0.05 amps. Web on a vehicle with a parasitic drain problem, this current will be higher than the normal range. Web disconnect the negative battery cable.

If The Hood Is Equipped With A Lamp, Make Sure To Rig The Pressure Switch Or Pull The Bulb To Keep It From Interfering With Your Test.

You will need a battery shut off tool or a parasitic draw. Steps for performing a parasitic draw test. Web how to perform a parasitic draw test in 9 steps. This can be caused by various electrical components that continue to draw power even when the vehicle is turned off, such as the radio, clock, or power windows.

How To Do A Parasitic Draw T.

This is the best way i have foun. First prepare the vehicle for the parasitic draw test by making sure the battery is charged. How to find battery drain. Some people remove the positive cable to do this test, and that’s fine, but i recommend the negative cable when doing parasitic draw testing.

This Might Require That You Move Your Test Lead To A Special Location On Your Dvom.

Remove the cover, if applicable, and use a wrench to unbolt the negative cable from the terminal. Do not have it on ac; Once the battery is fully charged, set up the multimeter by attaching it to the battery and the cable you removed as shown in the illustration, which shows the test being done on the positive side of the battery. Web it is called a parasitic draw because it continues to drain power from the vehicle’s battery, even though the vehicle is not in use.

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