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How To Check Parasitic Draw

How To Check Parasitic Draw - Web how to perform a parasitic draw test. Match 5 + power play $2 million winners id. Make sure that you can see your multimeter while you pull fuses. On gm vehicles, divide your oem battery's reserve capacity (rc) minutes by 4 to obtain the maximum draw. Unplug all devices from your vehicle and make sure no electrical components are on. First prepare the vehicle for the parasitic draw test by making sure the battery is charged. Turn on the multimeter and make sure it’s set for dc, not ac. And close your glovebox and lighted mirror covers. Always wear safety glasses and gloves when working wit. In a current draw test you watch for a drop in current as you remove each fuse from the fuse box.

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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. Pop the hood and get in position. Engage the emergency brake, turn your vehicle off, and remove the key from the ignition if you haven't already. It should be a symbol that looks like a solid line with dashes underneath.

The Primary Challenge With This Method Arises From Having To Disconnect The Battery, Potentially Triggering Additional Issues And Extending Your Diagnostic Time.

Start with your underhood fuse panel. It is important to identify and fix the cause of a parasitic draw to prevent damage to the battery and ensure the vehicle starts properly. You will need a battery shut off tool or a parasitic draw tester. Web parasitic draw is a fancy way of saying there’s something constantly draining your battery, causing it to die prematurely.

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.

Web stowers will attempt to stick in the majors for good this time And close your glovebox and lighted mirror covers. In a current draw test you watch for a drop in current as you remove each fuse from the fuse box. While those culprits are easy to diagnose, sometimes the.

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This test can be done on either side of. Web how to perform a parasitic draw test. Disconnect just one battery lead. 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.

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