370Z NOT Running!!!

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Well the other day I pull out my 370Z but it doesnt start. It seems like a simple glitch I've had before so I tried ONING/OFFING the car and the controller. The cars batteries work fine because Ive tested them with a multimeter and on my GTR. Also the controllers battery also works. It still won't start ! There is also none of that buzzing noise when stationary from the car that all xmods have (Check every xmod vid; you'll here it) that I used to hate but have grown to love due to this perplexing occurence. I am devastated because I paid $50 out of pocket. What is the problem with my car? Please help!