Originally posted by Phantom3JT
I was with him when we did this mod for both our TEG's and there is no modification of the bulb itself. Just remove the white piece of plastic in the harness 
i did the conversion on my friends teg today and we DID have to modify the one tab on the outside. i tried plugging in the bulb w/o any modification and it woudnt fit. i just had to melt a little of it away. ....just for further clarification to others who do this mod.