1990 300zx wont start,wont crank but lights work

[1990Z32]

i had my 1990 300zx running for 3 days perfectly fine, today i went in the lights in the inside turned on but shut after i closed the door then i turned the lights and high beams and they both turned on. my battery is perfect. but my car wouldnt show any power. wont crank and when i "attempt" to turn the car on when the lights are on they do no dim. ( i just got new spark plugs yesterday...)





Thanks, Sam

[greendusk]

My car was doing that after I pulled the plenum. I jumped it and it worked fine.

[1990Z32]

i think it was the weather from last night cuz it was cold , it started up perfect this morning no problems but what happened last night do i need a new starter ?

[Ace2cool]

If it happens again, check the starter by hitting it with some kind of bludgeoning device. If it starts afterwards, your problem is the starter. If you have a manual transmission, it could be an intermittent short/open condition on the clutch safety switch. Likewise, if Auto, a neutral safety switch (though the Neutral Safety Switch is not likely to fail).