1990 300zx (na) 2+2 no spark

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
Christophers300zx
Posts: 9
Joined: Sat Jul 13, 2013 4:46 pm
Car: 1990 300zx na 2+0

Post

I got 21 ignition signal circuit so what could it be


Christophers300zx
Posts: 9
Joined: Sat Jul 13, 2013 4:46 pm
Car: 1990 300zx na 2+0

Post

I got 21 ignition signal circuit so what could it be I mean I'm getting power to my cas put the new one in and still not getting any power to coils

Christophers300zx
Posts: 9
Joined: Sat Jul 13, 2013 4:46 pm
Car: 1990 300zx na 2+0

Post

Ok so I got my 300zx running It was the ignition coil relay wasn't getting power on all plugs on the relay so I had to jump it with wire anyone have and idea why it's doing this

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t.mcginley.jr
Posts: 1547
Joined: Fri Jun 01, 2012 5:50 am
Car: 2002 Nissan Altima SE 3.5
1990 Nissan 300ZX NA 2+0
1966 Ford Mustang
Location: New Jersey, USA

Post

Are you talking about an actual relay or the PTU? If it's just a relay, get a new one they go bad sometimes.

By relay I mean:

Image

By PTU I mean:

Image

Christophers300zx
Posts: 9
Joined: Sat Jul 13, 2013 4:46 pm
Car: 1990 300zx na 2+0

Post

Ok so I got my 300zx running again but it was the ignition coil relay wasn't getting power but to 3 and 5 nothing to 1 or 2 so I bridged them anybody have any ideas why or what I can do to fix it

Christophers300zx
Posts: 9
Joined: Sat Jul 13, 2013 4:46 pm
Car: 1990 300zx na 2+0

Post

It was the relay not the ptu idk why it not getting no power to 1 and 2 prone on the plug in


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