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Parasitic Draw Not Fuses

Parasitic Draw Not Fuses - To locate the faulty circuit, start pulling out fuses, one at a time, from each of your vehicle's fuse boxes, but leave the computer's and other module's fuses for last. Any input would be greatly appreciated. There should be a smaller wire tied to the battery that supplies power to the panel under the hood. Make sure that you can see your multimeter while you pull fuses. Web locating the faulty circuit: Some of the more nerdy among us folks would install an ammeter in series instead of a test light. Locate the fuse box under the hood. Web the fuse panel in the dash (there is one) is usually powered on with the ignition switch. Web you may be the victim of parasitic draw. The complaint is frequently that the engine won’t start after a couple of days of sitting because of a dead battery.

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A Component Or Components Are Drawing Current From The Battery When They Should Not Be.

I kept the current at the stable ~0.09a parasitic draw and pulled individual fuses to determine which circuit affected the current. Web testing for a parasitic draw can be tricky, and locating the problem can take time since the parasitic draw might not always be present. Web you may be the victim of parasitic draw. With all modules working properly, i started testing the voltage drop across the fuses.

Locate The Fuse Box Under The Hood.

Web parasite current draw tests can be a nightmare. Web start with your underhood fuse panel. I started in the engine compartment fuse box, where the only fuses i found flowing current were those powering up the pcm and bcm. With the amp meter in series with the batt cable, either one, and wait until after 16 minutes and the meter measure about 140ma, then start pulling each fuse to see which one to cause current drop below 50ma.

If The Multimeter Indicates Excessive Draw, Begin To Track Down The Problem By Pulling Fuses And Removing Relays One At A Time Until The Draw Goes Away.

Web parasitic draw tests don't involve big, toothy tools or blow torches. Open the right side door and ready to access the fuse box. When a car has battery drain proper testing is vital to finding the problem. Web a parasitic draw test is required when a vehicle battery becomes discharged with the key in the off position.

Web I Did Find A Tsb That Says That The Computer Might Cause A Draw Only After It Has Been Turned On And Then Off, So Disconnecting The Battery To Set Up The Test Gets Rid Of The Draw If It’s That.

They do require you to work with a live electrical circuit, though. Disconnect that wire from the battery and see if. Web tracking down a parasitic current draw can be a nightmare — proper testing is essential to find the battery drain. A component or components are drawing current from the battery when they should.

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