How to Perform a Parasitic Draw Test
Maybe you installed a new battery or alternator and now your vehicle won’t start. Maybe your car battery dies overnight, after sitting for a few days, or keeps dying but the alternator and battery is good. If your battery keeps dying when you try to start your vehicle and you know it’s in good condition, chances are a parasitic draw is draining the battery from a light or a module that may be stuck on. This post explains how to perform a parasitic draw test with a tester tool and a multimeter to find out what’s draining the battery and how to fix it.
