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Discussion Starter #1
I want to try Pertronics Ignition on my 70 xr7. Now it has Allison Electronic ignition and i am not sure if it is working properlly, the wire going to the (-) side of the coil is bruned up. But there is spark. But I am replacing it anyway. How will the pertronic unit work with the stock tach? The PO hacked the tach wiring.

Thanks
 
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