Re:any 240sx owners? need help!!!!
 

Yeah 240sx's had a clutch safty switch. Sounds like you need to break out the multimeter and download the S13 FSM from
http://www.ffdet.com/members/rich/Nissan/nissan.htm
also search other boards like zilvia.net and nicoclub.com, freshalloy.com for 5sp swap information.
I'm also working on my own KA-T, good luck with yours