Sons car will not start

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300zxDad1991
Posts: 3
Joined: Sun May 01, 2011 8:11 am
Car: 1991 300zx NA. Automatic transmission

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Hello, Hope you guys can help me out.

I bought a 1991 300zx NA, auto for my 16 year old son a few months ago with a partly disasembled engine. We put a used, running motor in it but it will not crank. I can jump the starter relay and make it crank but there is no power to the trigger wire at the relay. I have no experience with these type of cars. i have changed many engines in my life time but electrical problems are not my specially.
I was thinking maybe the nuetral safety switch but not sure how to test it. Also I tried removing the security box above the ECU. Thought maybe that was the issue, it wasn't. Can I just leave that out? At least now we don't have that annoying security light flashing.

Any help would be greatly appreciated, Thanks in advance.


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audtatious
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While I don't have an answer for you I will point you to the FSM's which will have troubleshooting information and full diagrams:

http://www.nicoclub.com/FSM/300zx/

Hopefully someone else can pop in with experience on your vehicle either here or in your other post in 300xz Tech.

300zxDad1991
Posts: 3
Joined: Sun May 01, 2011 8:11 am
Car: 1991 300zx NA. Automatic transmission

Post

Thanks for the link, very helpful


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