How to find a parasitic draw in a modern vehicle YouTube
How To Find Parasitic Draw In Car - How To Find. 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. Disconnect all of your vehicle’s devices and ensure that none of the electrical components is turned on.
How to find a parasitic draw in a modern vehicle YouTube
In many modern vehicles, when you shut down and remove the key, a series of events happens that can draw current for several minutes after you turn the engine off. Be sure to check your specific car’s wiring diagram first. Find a battery shut off tool or parasitic draw tester tool. Disconnect all of your vehicle’s devices and ensure that none of the electrical components is turned on. Sometimes if the battery doesn’t discharge too much, the alternator can restore the energy when the car is driven. You can do the test on the positive cable, but it’s much easier and safer using the negative side. You will need a battery shut off tool or a parasitic draw tester. A parasitic draw is an excessive electrical load on the system that happens after the vehicle is turned off. How to perform a parasitic draw test in 9 steps. Switch off the radio, hvac system and the.
Steps for performing a parasitic draw test. Check the draw across the negative cable and battery post turn on your multimeter and select the amps (a) and make sure it’s set for dc (direct current). It is important to know how many milliamps will drain a car battery so that you can keep your car running properly. You can do the test on the positive cable, but it’s much easier and safer using the negative side. A normal reading for a newer car falls between about 50 to 85 ma. Today we are going to be learning how to perform a parasitic current draw test or pid. For older cars, an ideal reading is below 50 ma. Turn on the multimeter and make sure it’s set for dc, not ac. You can do the test on the positive cable, but it’s much easier and safer using the negative side. The best way to locate a parasitic draw is to drive the vehicle and operate all of the options during this test drive. Start with proper vehicle preparation and the use of an inductive amp clamp.
