@lswolfe77, if you think it's the master switch, one is available here:
http://www.clublexus.com/forums/ls460-430-400-classifieds/613548-fs-parting-out-1997-ls400-gray-interior-parts-and-more.html
@M Xakir Kayani, since your issue is not related to this thread, you'll get better help is you start a new topic. However, if you washed your engine, you'll need to give it time to dry out. Did you cover the main electrical box with plastic? If not, open the cover to help it dry out. Gotta be patient.