Hi - I have been also looking to replace the tail lights in a recently purchased '99.
Here is a link with a howto that I found:
http://rx300how2.home.comcast.net/taillightupdate.htm
Here is a link for tail lights:
http://www.luxurymods.com/ProductDetail.ph...ID=645&fid=1006
There are also tail lights on ebay but I am not sure of the quality. Let me know done it already and how it works out.
Brian