Why LED Headlights?

From a practical standpoint; they’re ultra-bright and theoretically will last an extremely long time. They also draw less power than a typical halogen bulb; our H4 kit is advertised at consuming 1.4 amps as opposed to 5 amps sucked up by a halogen bulb.


On one hand; who cares, your car was obviously designed to run with whatever draw your factory headlights had. On the other this takes some tax off your electrical system and might help your battery last longer. Especially if you’re running extra accessories like a fridge or a disco ball or a bitchin’ car stereo.

Finding The Right “Bulb” And Installing It

Pretty much every site selling LED bulbs has some sort of tool to tell you which part you need specifically. For example; you can check out the vehicle bulb finder we used to get the 4Runner’s headlights on http://www.ledheadlightspro.com. If you’re too lazy to do that, I’m sure you can call your LED purveyor of choice and say “I need bulbs for my 1991 Geo Metro” and they’ll take care of you.

Now if you really put your mind to it, you could probably work up a completely proprietary LED headlight system using diodes and circuits from an engineering supply outfit, and constructing your own wiring system. That’d probably be cheaper, but the advantage of a prepackaged kit is ease of installation.

And it is easy; just pop out your halogen bulb and stick the LED unit in its place. Heck, if you’ve never opened your hood before this is a great job to start on.

Accessing your bulbs might be a bit of a pain depending on how your engine bay’s laid out, but I can promise you’re going to get annoyed trying to cram those gawky heat sinks somewhere they won’t light anything on fire.

Just kidding, We don’t think there’s much actual risk of that, but these things do take up a ton of space and you’re going to spend some time fiddlin’ to get them tucked away nicely.

Pro tip: avoid touching the glass part of a halogen bulb with your bare fingers. Your skin-oil can imprint onto it and weaken its ability to project. No sense in damaging them if they still work, you never know when one of your vehicles might need a bulb. Or you might want to switch back at some point.

Don’t forget to make sure your headlights are aimed correctly. Changing your bulb shouldn’t throw this off, but there’s probably a screw on the housing that will push it up or down. Take your vehicle to a certified inspection station to calibrate your headlights at their specially marked wall. Or, just eyeball it.

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