How to test a headlight bulb (H4)

In this video i show you how to test a headlight bulb using a power probe. Enjoy!
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[@alexuswilliams5426]

i was hoping you would show both the low and high beam testing, since you are using an H4 type bulb.

[@stringbender11672]

agreed

[@CHILLGAMINGBEATZ]

@@stringbender11672 i needed him to to prove a point to someone who told me there is 2 grounds and 1 positives i just looked at him like uh okay no thats not how power works

[@jovo21]

Maybe you just gotta tap the other prong and it'll be low beam?

[@carbikesale2134]

What's the Name of the tool with which you tested the bulbs?

[@joolstacho8114]

Seems crazy that you only tested one pos terminal. What's the story with that?

[@paquesepas6696]

On these bulbs which is the same ones for my scion xb 2006, are the three terminals on it 1 ground and 2 positives or are they 2 grounds and 1 positive? Because both my headlights are not turning on and only the low beams wires on both connectors is not reading anything but I want to know if I'm supposed to be looking for ground or positive on the low beam wire? The other 2 wires I do get 12v but not on the low beam wire. High beams turn on by the way no problem.

[@BilluAwann]

Can you make a video or how to yeast a actual led headlight out of a car before anyone purchase them to test it before buying ?

[@zedman442]

You have to be really careful with these probes, can fry electrics if used incorrectly. Good basic tutorial however.

[@Theofortnitemad]

You should of shown the high beam one

[@SoapyHB]

Yes that was specifically what I wanted to know. I suppose the next step is to just test the other prong...

[@SpacedOdyssey]

seems a bit pointless not test the other filament,

[@impreza9726]

Using a multimeter seems easier

[@spyder8986]

Some people don't no were to put the setting or what to look for, on the multimeter,but I agree.

[@Thumper68]

Well you know low or high beam works

[@juanjohnism]

Isn't there a high and low beam?

[@TheSavageGarage]

On some bulbs yes, my car has separate bulbs for high and low (h7) the bulbs with both high and low in the same bulb are h4

[@ykchannel2391]

Is that the phillips blue vision bulb?

[@abdulhannanmiah9797]

Nyc

[@juanjohnism]

Thank you for the timely reply.

[@carlparsons8921]

What test equipment are you using.

[@TheSavageGarage]

It's called a power probe

[@arifhussain6315]

you can test without that power probe

[@jamkop5298]

Too much eyebrow tweezed.