Best video I've ever seen. Direct and to the point. Short enough, I can get back to work and a wealth of knowledge. I'd love to see more videos by y'all.

@TheBatteryShop

11 ай бұрын

Hi - Thanks for watching and sharing your experience!

@jonnyo2121

11 ай бұрын

Darn. I was hoping he'd include an old-timey, meandering story of his first encounter with parasitic draw and the broader life lessons he learned, maybe sprinkled with memories of his home town. Like how sometimes people around us are a "parastic draw" and we need to identify them with "the proper tools" of emotional intelligence. Then he'll point out it's nice that when identifying parasitic draws in our cars, all it takes is connecting two probes in the right way and a cheap multimeter, but people are much more complicated. Next, he'll attach this experience to his larger spiritual journey of finding himself, quitting his job and pursuing his true passions. Lastly, he'll thank all the viewers and point out his patreon.

I’ve a drain on my car, and this is by far the clearest explanation I’ve seen. Thank you

@TheBatteryShop

4 ай бұрын

So sorry about that! We're glad you found our channel helpful

Best video on this topic that I've seen. Thank you.

@TheBatteryShop

5 ай бұрын

Wow! We appreciate that. Glad you are enjoying our content!

Why does no one explain the setting on the multimeter? I have one but don't understand the various settings

I just wanted to say thanks as well. I have a 2011 Toyota that suddenly kills a fully charged battery within 24 hours. I want to rule out parasitic loads before I change the battery. Engine runs with a completely dead battery, so I'm pretty sure the alternator/voltage regulator is working. I have an aftermarket (Android) head unit, and installed a passive key entry (PKE) unlocking/remote starting system - both of which were installed years ago. I would expect some higher-than-OEM loads, but not enough to run the battery down that quickly. This problem only appeared a couple of days ago. I'll give this a try once I fully charge the battery and put the key fob far away.

@TheBatteryShop

11 ай бұрын

Hi - You’re welcome and thanks for watching and sharing your experience!

I'm still confused. Thought that the multimeter can give me some results, but I don't even know what to set it at, and then there's a clamp??😢

Does this only work on fuses that dont connect to relays ? Bc relays arent on without the car on right ?

What make and model amp clamp? Tia

what if you don't have an amp clamp but just a multimeter which is probably the case for most folk who might attempt this?

@TheBatteryShop

7 ай бұрын

Hi - Thanks for watching! Testing using this method can not be performed without the use of the “amp clamp”.

@waynew2831

6 ай бұрын

Cannot be measured without an amp clamp?" Where did THAT come from? Can't an inline amp meter measure the same thing?@@TheBatteryShop

What settings for voltmeter and amp clamp?

@TheBatteryShop

Жыл бұрын

Hi - Thanks for watching! If you don't have auto ranging meters use a low volt (2-12) scale on your voltmeter and low or milliamp scale on your ammeter.

@kilo308

Жыл бұрын

Do we really need an amp meter..

@MKHUHSAUTO

Жыл бұрын

@@kilo308 You can use an amp clamp accessory with your multimeter or you can use your meter in Amps mode if connect your meter in series with your battery connections (as long as the draw doesn't exceed 10A which will blow your meter fuse)

@robertbaker50

Жыл бұрын

So for a newer car I still use the amp clamp, but also the probes and check each individual fuse. Once I get a parasitic draw I pull the fuse and the battery reading will be good? That part has me confused. Or am i just using the probes until i find a draw then test the battery with the probes by touch the negative and positive.

How do you connect the wires?

@TheBatteryShop

Ай бұрын

Thank you for watching. Any wiring in this video is already connected in the vehicle.

I feel dumb. All this time, I thought I could only do this by wiring the multimeter in series and testing for current. This absolutely works. But why does it work? I would think the voltage from one side of the fuse to the other would not drop since you’re not testing on one side of the load vs the other. Is this because the fuse itself is heating up and causing drop?

@TheBatteryShop

11 ай бұрын

Hi - Thanks for watching! Pretty much. Each device or load that is carrying current to ground in the circuit will offer some resistance.

@erkme73

11 ай бұрын

The short answer is that the thin wire (the part that blows) in the fuse has higher resistance than the rest of the circuit. So when 12V is on the line side (coming from the battery), and the other side of the fuse has something "sucking" electrons through the fuse, the voltage on the sucking side drops just a tiny bit compared to the battery side. This slight difference in voltage can be measured. Imagine two cups of water with a thin tube connecting the bottom of both cups. As you take water out of one cup, the other cup's water will flow to the one with less water. But it doesn't happen instantly. The straw slows it down enough that there will always be a difference in the water levels between the two (so long as one is still losing water) because of the resistance/friction of the straw.

@BabyGators

11 ай бұрын

@@erkme73 makes perfect sense. I never thought that fuses would draw current themselves, but I get it. Maybe a higher capacity fuse wouldn’t show it, but sub-20 or 25 amps would likely have some resistance in such a thin wire.

@erkme73

11 ай бұрын

@@BabyGators You're getting there ;) The fuses don't actually "draw" current, but rather slow it down. It's a restriction that creates friction in the flow of electrons. Not enough to affect any of the devices on the circuit, but enough that will register a drop in voltage between the sides - and then only if there is something pulling power through the fuse. That's why circuits that have no load will also have no difference in voltages. Just like the two cups with a straw between them will have the same water level if none is leaving either cup. Edited to add: You are correct that larger fuses will have less resistance and will therefore have a smaller voltage drop for the same load. IOW, a 5A fuse may drop 0.5% with a 3A load, but a 30A fuse may only drop 0.05% with the same 3A load. But, it will still drop... enough that a meter measuring milli-volts will see something other than 0.00.

@jonnyo2121

11 ай бұрын

@@BabyGators As @erkme73 said, the fuses don't "draw" current, but you can think of it as they "make the current pay a toll" as they pass through. Tolls are only collected when "cars" (electrons, in this case) seek to pass the toll gate. So if the toll gate (the fuse) says 0, no cars are passing through.

Yes but you ain’t showing how to hook up the multimeter

@TheBatteryShop

8 ай бұрын

Hi - Thanks for watching. The multimeter hook-ups begin at 3:20.