[Porsche-O-Phile]

No, didn't add any resistors. One of the reasons I did this was to cut the running load on the electrical system to "as little as possible". I want to avoid using resistors, otherwise you're really not saving much by going to the LEDs (well, they run cooler, are more directional, last longer, etc. but the low-load is a primary benefit).

As someone correctly pointed out above, this will cause problems with the turn signal flasher relay if you don't change it to one intended for LEDs - the stock one will think there's a short and give you the "rapid flash" like you get when a bulb burns out.

I have a tea-tray on the car that I added with the 3rd brake light (cyclops-eye). I'll pull the bulb out and see what will fit. I just hadn't gotten to it yet, but it's on my list. I figure anything I can do to make it less likely that someone will rear-end me is worth doing. . . SoCal drivers tend to be frightfully inattentive. . .