This is a simple mod that allows you to use a lightsaber from the start of the game without being a Jedi.
From the readme:
This mod will lets you use a lightsaber without having to be a Jedi.
Being an ex-Jedi/Sith Lord you may not remember how to use the Force, but
you can swing a laser sword with the best of them.
Extract these files to your "Override" directory:
Source script is also included.
On the Endar Spire your footlocker will contain a lightsaber and
a coulple of color crystals added to your starting items. You will
be able to use your lightsaber throughout the Endar Spire and Taris.
Requires a new game.
To uninstall simply delete all the files extracted to your
Fred Tetra for creating KoToR_TooL.
TK102 and Darth333 for their script examples posted in the Holowan
Holowan Lab Forum: