mark wrote:
Maybe I've been doing something wrong here. Do I need to strip the
insulation off of each conductor, or do I just leave the insulation on and
let the crimper puncture the insulation?

Oh my! It's not rocket science, believe me, but get it right and avoid
cross-talk or you'll be very sorry...

See if this helps:
http://www.pcnineoneone.com/howto/cat5diy1.html

or this:
http://video.google.com/videosearch?...um=4&ct=title#

Is Google still on strike in you neck of the wood?