Quote:
Originally Posted by Dizono
Most LED-conversions for halogen-headlights have a very big resistor build in, which will convert the abundance of power into heat. I dont think converting your headlights to LED will improve efficiency much.
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Usually, I see headlights are sold with a power unit which can consume only required energy.
This is only an issue on modern cars which have bulb failure detection, but on old cars it should work perfectly.