How do you hook up a tach?
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How do you hook up a tach?
I have a 78' ford f150 and I installed a 4" autometer tach. I mounted it on the dashboard off to the far left, I love it! Usually the tachs I have seen have four wires, there is a ground, illumination, power, and one more wire that goes to the coil. There should be a spot on your coil that is labeled "tach" you just stick the wire up in there and your done, pretty easy. Good luck!
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How do you hook up a tach?
for almost all aftermarket tach's you have 4 wires
red: 12v switched power supply
black: 12v negative ground
white: wire this into your dash lights
green: this is the actual lead that tells the tach when the
motor fires, on your truck tap into the negative
Side of the coil.
That's all!!!
red: 12v switched power supply
black: 12v negative ground
white: wire this into your dash lights
green: this is the actual lead that tells the tach when the
motor fires, on your truck tap into the negative
Side of the coil.
That's all!!!
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