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Thread: 3500EM RPM wiring with dual Lightspeeds

  1. #1

    3500EM RPM wiring with dual Lightspeeds

    Hi Trevor:

    I'm laying out the wiring plan for my 4500EF and 3500EM. I have dual Lightspeed EI's. Your manual calls for the the electronic RPM signal to go to pin 33 of the Engine Sensor Main Cable. The Lightspeed manual shows that their electronic tach output wire is to be shielded with the shield going to "tach ground". Which pin would that be on the Engine Sensor Main cable? Would it be 16? Obviously I'll just be using output from one EI unit (left one)

    Doug Weiler

  2. #2
    Yes, Pin 16 would be RPM ground and you would use Pin 33 for the electronic ignition RPM.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

  3. #3

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