Reply To: Tachometer Hook-Up

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March 31, 2019 at 7:03 pm #172424
WAYNE
Participant

    Canada Member

    Like Frank says, that one is missing the sender and won’t work without it. Model 653 will work on a motor with a magneto. I don’t know with which motors the model 635 works.Some compatible tachs have a built in sender. In either case, two wires go to the motor, one to ground and one to the magneto. The lead to the vacuum cut off switch will work for the magneto lead. The ground can be anywhere on the motor..

    Wayne
    Upper Canada Chapter

    uccaomci.com