Check the switch under the front driver tire, behind the wheel, it will click when you turn the key
i had the same problem with my 300zx 1992 NA.
I never did figure out what it was before I sold it
but I read a bunch of Q&A and it said that switch was a problem to be of concern
go to: www. Twinturbo. Net for complete 300zx tech problems and forums and stuff
Tuesday, November 27th, 2007 AT 6:32 PM