According to the link in post #1 above, a replacement draws 175 mA at 12 VDC = 2.1 watts. Quite a bit less. But the idea of replacing ONE light, just to try it out, is a good one. LED lights don't have the same beam pattern as incandescents, and often have a much more focussed beam. So although they may be just as bright within the beam, they may not be a good substitute since they may be entirely dark outside the narrow beam.
Bill
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