Technical > Electrical systems

260z Tach not working after 280zx dizzy swap. I need a visual diagram please!

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Ducer:
Hey mates, So I just installed a 1979 Electronic dizzy from a 280zx with the E12-80 module on my early 74' 260z, and it's works Amazing.............The dizzy and car is awesome but the tach is my next dilemma.

Now I tried to google and searched all the forums, Zcar, hybridz, classiczcar, and I couldn't find an a diagram on how to make the 260's tach work.

Please let me know what I must do. So I have the following as info:

1. Green/White
2. Green/Red   
These two wires were from the stock distributors pick up.

3. Blue wire which was on the negative on the coil (which I assume is the Tach signal?)

Now If I hook up the #3 blue wire, or one of the other #1 or #2 wires to the Negative of the coil, it does not start, or when it's running the car will die.

I hear that I have to use a 10K ohm resistor? But which wire? Where on the wire? and Where to hook it up to? 

Can someone just draw me a crude picture on MS paint and let me see.

Here is my set up now. The Blue, Black/Blue, Green/White, Green Red, not used.  Which one is tach and what must I do? Thank you.

Scoota G:
Check out this page!

http://datsunzgarage.com/engine/index.htm

Ducer:
Yes, I've read that, It only gives you the options to buy a 280z tach or buying after market autometer. Im looking to use my 260z tach since it works and now I need to wire it to work.

Still need help........

zeds4ever:
 ??? Hey Ducer, did you finally sort out your problem mate.

                                                            Regards: Alan. :D

d3c0y:
You need to build a signal converter or buy a tach adapter from MSD. They are your options if you want to keep the factory gauge.

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