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Old 04-17-2019, 11:42 AM
Michel Collet Michel Collet is offline
Join Date: Jul 2018
Location: Gap France
Posts: 4
Default Trutrak ADI Pilot2

I am trying to connect a GPS receiver to my autopilot.
The RS232 GPS connects through RX and TX signals.
The autopilot gets only a receiving input that is connected to the TX output of the GPS.
What to do with the RX input of the GPS ? No connection, connection to ground or connection to supply voltage ?
Thanks in advance
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Old 04-17-2019, 01:43 PM
DGlaeser DGlaeser is offline
Join Date: May 2005
Location: Rochester Hills, MI
Posts: 877

No connection. Definitely do not connect to either ground or a voltage!
Dennis Glaeser CFII
Rochester Hills, MI
RV-7A - Eggenfellner H6, GRT Sport ES, EIS4000, 300XL, SL30, TT Gemini, PMA6000, AK950L, GT320,
uAvionixEcho ADSB in/out with GRT Safe Fly GPS
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Old 04-17-2019, 01:55 PM
Bob Martin's Avatar
Bob Martin Bob Martin is offline
Join Date: Jan 2005
Location: Charlottesville, Virginia
Posts: 1,222
Default agree

What Dennis said!
You will love the ADI-Pilot 2.....
This Rs232 connection is not unique to the ADI-Pilot is kind of universal Data input and does not need a loop/path like voltage connections.
Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1200+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB

Last edited by Bob Martin : 04-17-2019 at 01:59 PM.
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Old 04-21-2019, 12:27 AM
Michel Collet Michel Collet is offline
Join Date: Jul 2018
Location: Gap France
Posts: 4

thanks all
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Old 06-16-2019, 05:30 PM
Unclerap Unclerap is offline
Join Date: Apr 2018
Location: Jacksons Gap
Posts: 10

TT AP2 in the panel, interfaced to G496. Both show proper 4800 baud, everthing per the TT install manual. Works great in the AH mode, but heading indicator shows 0 full time. I'm thinking I didn't get the blue wire to #17 pin right. Any suggestions before I tear into the harness?

thanks in advance for the help.

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