Ok, I am installing my new 5"tach with shift light tonight, an I know where the red,black an white wires go. But what do I connect the green(signal wire for RPM reading) wire comming off the tach to? I thout I could just splice into the factory tach wire an then set the tach to a 4 cylinder reading cause I was told these NBS trucks only send out 2 pulses. But my main problem is what wire do I splice into. I dont know witch one runs to the tach? If some one could please help I would really appreciate it. I dont want to have to put it al back together tonight unfinished. So if you guys could post any word of advise an info you can an do it fast so I can finish my truck tonight. Cause me an a few friends are going out to HRP friday night. Later
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