REFLECTOR: Garmin 250XL Autopilot Interface

[Jim & Sharon Beck]

I have the 250 XL coupled to the Pro Pilot and it has worked flawlessly
with no problems. My manuals are at the hangar snf don't remember exactly
how I did it but just remember following the wiring diagram in the Garmin
handbook.
Try giving Trio a call, I found them most helpful, even on weekends, with
any problems.  I will get my books this weekend and see if I can give any
help

Jim
173 Elite RG
450 + hours


On Tue, May 14, 2013 at 12:02 PM, Dennis King <kitfox94 at comcast.net> wrote:

> Does anybody have experience interfacing a Garmin 250 XL GPS/Com with an
> autopilot?  I have one of the RS232 ports (channel 2) on the GPS connected
> to a Trio Pro Pilot.  The autopilot receives the GPS info when the Garmin
> unit is in test mode, but not in normal operating mode, even in flight with
> or without an active course.  I have no problem interfacing a portable GPS
> to the autopilot.  It sure seems like I must have a setting wrong in the
> Garmin unit, but I've been through all the setup menus and tried all the
> logical settings.  Since it works in test mode and with the engine running,
> it doesn't seem to be a wiring or interference problem (I used shielded
> cables).  Just hoping someone else has interfaced the 250 XL with any brand
> autopilot and discovered a "trick".
>
> Dennis King
>
>
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