After it came up in a recent thread regarding JDM 240Z tail lights, I was asked if I could document and post the wiring changes needed to use JDM/Euro (amber bottom) tail lights in a US 240Z. Here it is, in amplified form. First lets define the US rear lighting, which is different than what Nissan used for the rest of the world. Here is a picture to illustrate which bulbs do what: And for comparison, most of the rest of the world got lights configured like this: The issue