How To Find Parasitic Draw In Car - How To Find. Finding a parasitic draw / current draw that's draining the battery in your vehicle can be frustrating. Even bad instrument panels are known to cause parasitic drain.
Parasitic Draw HondaTech Honda Forum Discussion
You also don’t need a ton of high dollar special equipment to do this. 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. Sometimes if the battery doesn’t discharge too much, the alternator can restore the energy when the car is driven. The combination method phase 1: Take a look at that number that comes up in your meter. If it is any higher than 35 miliamps or 0.35 amps, you have detrimental parasitic draw. If it is lower than that, then it is normal. Charge the battery with a battery charger or make sure the battery is charged before beginning. While that equipment is nice to have, most of use don’t. Make sure that all the doors are closed and the keys are not in the ignition.
The best way to locate a parasitic draw is to drive the vehicle and operate all of the options during this test drive. Remove the negative battery cable. Doing this test wrong can waste time, and that will waste money. The best way to locate a parasitic draw is to drive the vehicle and operate all of the options during this test drive. The most common method is to start pulling fuses to see which circuit is the cause of the parasitic draw in your vehicle: Parasitic draws on a battery can be fairly easy to diagnose and locate. If your car is draining electricity from the battery even when all of the electrical components are turned off, you have a parasitic draw on a car battery. It is important to know how many milliamps will drain a car battery so that you can keep your car running properly. Usually something has been left on, drawing the battery down. Be sure to check your specific car’s wiring diagram first. Make sure that all the doors are closed and the keys are not in the ignition.
