Quote:
Originally Posted by patrickt
Pull your old 1157 bulb and your new LED bulb and compare the diameter of the shafts, the location of the two poles at the bottom of the bulb, and the location of the little raised knobby things on the outside of the shaft. If they do not line up exactly, then there is something wrong.
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They all match up. I even use a micrometer to check the diameter of the body. It's like they only have the equivalent of only one filiment. Hopefully superbrightleds will have a solution.
The only difference are that the contacts on the bottom are more like an oval section while 1157 bulbs are just a round contact.