Someone on the GL forum I frequent posted up this link for some wiring harness materials and said that the quality is top notch. Thought I'd pass the link along here for anyone who was needing to build a section (or full) wiring harness for their project.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=330321166005
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=330321166005