look about mid way on the transmission, on the drivers side, the drain plug will be on the bottom, and the fill plug will be half way up the casing right above it.
The 2001 Jeep Wrangler has a 5-speed manual.
To edit original question....Jeep Wrangler 2005 manual transmission
The 2010 Jeep Wrangler has a 6-speed manual.
The 2008 Jeep Wrangler has a 6-speed manual.
The 2012 Jeep Wrangler has a 6-speed manual.
The 2011 Jeep Wrangler has a 6-speed manual.
The 2005 Jeep Wrangler has a 6-speed manual.
The 2009 Jeep Wrangler has a 6-speed manual.
The 2003 Jeep Wrangler has a 5-speed manual.
The 2007 Jeep Wrangler has a 6-speed manual.
The 2014 Jeep Wrangler has a 6-speed manual.
The 2013 Jeep Wrangler has a 6-speed manual.