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donor gauges

  1. Starter affecting tach during cranking?

    Factory Five Roadsters
    I have a 1989 donor harness and gauges. Just swapped to a mini starter I bought through Fortes. Followed the install instructions and it works great. But, what is new is that while cranking the tach jumps, then redlines and holds that position until it fires up. When it fires it works like...
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