Quote:
Originally Posted by Legion5
These types of LED bulbs do not use resistors. The are actually within the same power range as a typical car headlight. If you used a resistor your headlight would catch fire. The black box also needs to respond to the electrical currents that the bulb check provides properly. The black box has some very complex circuitry in it.
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The original H8 halogen bulb is not more than a resistor. Why wouldn't the black box be a simple dissipative resistor? Did you open one of the black boxes? Interested to see pictures on the black box contents or its electrical circuit schematic.