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Thread: AFS Pilot harness vs VSGVII harness

  1. #1

    AFS Pilot harness vs VSGVII harness

    Purchased a VSGVII harness quite a while before the AFS-Pilot was announced. Any modifications required to make this harness work with the AFS-Pilot & 4500?
    Highest Regards,

    Noah F
    RV-7A
    Rhode Island

  2. #2
    No modifications are required, however you will probably want to get the autopilot sent to TruTrak for a software update just before you are ready to start flying.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

  3. #3
    One quick comment, depending on who made it and when the harness was made, the RS232 Tx line from the AP to the EFIS may not be there. It's pin 7 on the AP.
    Lucas
    Trutrak Tech Support

  4. #4
    Junior Member
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    OK,
    Didn't see this on any of the schematics. So Pin 7 of AFS/TT autopilot head is a serial TX and can go to any of the free serial RX connections on the EF or EE efis unit?
    Thanks,
    Tom Hanaway

  5. #5
    My harness was built by SteinAir about 2 years ago, and contains the following wires coming out of the autopilot head connector:

    white/black - Control wheel switch engage / disengage
    blue - from GPS receiver (Primary serial input)
    white - Aux RS-232 output (labeled future expansion)
    green - Aux RS-232 input (labeled future expansion)
    orange - ARINC-A (GPSS Option only)
    yellow - ARINC-B (GPSS Option only)
    yellow loop - cut for pitch servo reverse
    red +12V
    black - Ground

    So given that this harness contains the white and green wires, am I correct that this harness has full AFS-Pilot functionality and is identical to a harness if purchased today for this purpose and needs no modification prior to being put in service??
    Highest Regards,

    Noah F
    RV-7A
    Rhode Island

  6. #6
    Noah, you will not need the 'AUX RS-232 OUTPUT'. While Lucas is correct about pin 7, we are not using it at this time.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

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