Peter R. sent me this info on swapping in an LED bulb to replace the stock incandescent bulb on the rear marker light. He writes:
“Well here is an image of the new lense with LED bulb installed. As they say, the photo does not do it justice. Remember that this is with new reflector/lense and there is a significant improvement even without power as the old plastic was cracked, discoloured and scratched.
Biggest improvement will be the fact that the LED bulb generates no plastic deforming heat whereas the old bulb in that tiny enclosure was like an easy bake oven”
“hThe bulb part # is BA9S-4 LED”
shooftie 
#1 by famillysyncro on July 27, 2013 - 5:28 am
I think it is the same model as ours. It is brighter than the rear tail light in our case, this is nice.
jerome