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RED: simplest to connect to the car stereo's + (cigarette ligther plus also works fine) it then also get's power when the key turned.

Black: can also be "stolen" from the stereo or cigarette ligther -(negative)

green: either plug it up to the orginal tacho's wire or at pin 7 (seven) on the ecu.

Originally posted by Wiktor

RED: simplest to connect to the car stereo's + (cigarette ligther plus also works fine) it then also get's power when the key turned.

Black: can also be "stolen" from the stereo or cigarette ligther -(negative)

green: either plug it up to the orginal tacho's wire or at pin 7 (seven) on the ecu.

That helped heaps cheers.

All i need to know now is about the green wire. I have had a look at the tacho and there are alot of green wires but they all seem to have a line of a different colour through it. And i have also had a look at the ecu but have no idea which one is 'pin 7'.

I NEED HELP

Is anyone able to help me with a bit of extra information??

Thanks again.

Looking at the ECU in it's mounted position from the passenger seat, pin 7 is the 15th pin from the top in the row of pins twards the centreline of the car, there are two rows of pins so the row furthest from the door. You just need to splice into the line from the ecu plug

Thank you to every one that helped me out!

I fitted it and it works great.

The wire was exactly were you said it was jay i was looking at it upside down... But when i look at the diagram it still looks like it should be the other way round...

For anyone out there reading this about to do there own my R33 GTS-t had a yellow wire with a blue strip through it as the tacho wire!!

Thanks again for everyone's help will post a pic soon.

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