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Originally Posted by Payton King
I had a hot wire and a ground wire to the gauge and then the wire from my engine harness to the tach. Set the tach to 4 cylinder just like you said.
Are you sure you are getting key on power to your tach? Sounds to me you have having a power or ground problem since you are not getting any kind of reading.
You don;t need a tach anyways, just shift when it quits pulling...LOL
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The power and ground MUST be good to my gauges, especially the GUS unit, since it lights up and functions great. It just reads 0 as the RPM. If the ground/power were bad I would think the unit wouldn't light up and display the settings and such.
Here's what I have:
G.U.S.
http://www.sw-performance.com/index....tails&p=114949
Standard Tach
http://www.sw-performance.com/index....tails&p=114115
I guess I could just bounce off the rev-limiter a lot, but the lights are so pretty. lol
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