Quote:
Originally Posted by Triple Jim
The reason an LED indicator doesn't like that system is that the current through it reverses depending on which turn signal you're using. This means the LED indicator will light only one way (L or R) but not the other. On top of that, in one directions the non-powered signal bulb will probably light partially from the current going through it.
One cure is documented in various places, and involves grounding one side of the indicator bulb, and powering the other side with two small, cheap diodes, one from the L bulb's power and one from the R bulb's power. The two diodes isolate the L and R power and cure the odd behavior. This is the method I used on my 250.
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Oh wow, using diodes! That is a very elegant and simple "one-bulb" solution. It demonstrates a better understanding of electronics than I have. In spite of how simple it is I never would have come up with that solution. I'm a knuckle-dragging caveman when it comes to electrical items.
So yeah, I killed that butterfly with a hammer.