Parasitic battery drain test (safe multimeter steps)

Overview

Something is staying on after you park it. A battery that dies overnight or after a few days means a circuit is drawing power when it shouldn't be. You can find it with a multimeter and some patience, pull fuses one at a time while watching the current drop. This guide walks through the process safely so you don't blow fuses or damage anything.

What you need

• Basic hand tools
• Flashlight
• Optional: multimeter

Quick checks first

1. Quick check 1
2. Quick check 2
3. Quick check 3

Step-by-step

1. Step 1
2. Step 2
3. Step 3

If that did not fix it

• Next likely cause 1
• Next likely cause 2

Source links

• Innova: How to test for a parasitic draw
• JeepForum: Think I have parasitic draw?

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