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Checking Battery Draw

Checking Battery Draw - Unplug or disconnect any accessories installed in your vehicle. First, remove the negative car battery cable to prevent any electrical shocks. Arif bacchus/ digital trends step 4: Switch your digital multimeter to dc amps. A parasitic draw is the use of power by an electrical component that consumes power even after the vehicle has been turned off and the component has been disconnected. 235k views 10 years ago. To check if something is draining your battery while your bike is turned off you need to test for current, not volts. Another way to identify a parasitic draw is to use a multimeter. Then, use your multimeter to measure the voltage across the negative cable and battery post. • connect one lead to the battery negative post.

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Something Is Sucking Up All Its Power.

Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Depending on the amount of current being drained, a parasitic draw will suck all the juice from your battery in a few hours or minutes. Here, you have four tests to help you find the culprit: Web test for current drain using a multimeter.

If The Voltage Reading Is Above 0.05 Volts, There Is Likely A Parasitic Draw On Your.

• connect the other lead to the com socket on your meter. Luckily, you can usually find the cause of a parasitic draw yourself. The reading on the multimeter will tell you how much current is being drawn from the battery when the car is turned off. Switch your digital multimeter to dc amps.

Amps Is Usually Indicated By An A On The Multimeter Switch.

Web to check for battery drain with a multimeter, you will need to follow a few simple steps. Web if your vehicle is drawing power from the battery and all of the lights and other electrical components are off, you might have a parasitic battery drain (or draw). Web how to diagnose the battery drain. • disconnect the negative battery cable.

235K Views 10 Years Ago.

This can be caused by something as simple as a defective switch or corroded connector. An extra helper may help with this project, but it’s not needed. • set multimeter to lowest amp setting. Having trouble keeping your battery charged?

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