Question about installing a SpeedHut Tach on a 1970 240Z

James Fridenberg

New Forum User
Hello, I have a '70 240z that I upgraded all my gauges on. I heard I needed to connect 2 of the 4 wires that feed the Tach together to make sure I complete the circuit when I replace it with a new (SpeedHut) gauge. Does anyone have experience with this and can help identify what two wires in the wire harness I need to splice together?

Thanks!'
 
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