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11-02-2015, 10:30 AM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Progress (slow)...
I spent several hours this weekend pouring over the G3X document and making notes and redrawing some of the information so that I might follow along a little easier.
So back at the hanger today, with the stripper and crimper in hand!
Here is the beginning of my 3' bundle from the GSU25 to the GDU450.
From what I understand, the only wires/pins on the 9 pin connector P4501 are for the data path backup. I guess the power on that connector is for output to the GSU25 IF you mount it to the back of the GDU.
I didn't catch the fact that those were power OUT on the P4501. Did I miss that someplace?

__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
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11-02-2015, 05:22 PM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Connectors?
FYI I just learned today (I not complaining) that since the 9 pin connector on the GDU 450 is optional (used as a backup data path between the display and the ADAHRS that a connector and the rest of the stuff for that connector is NOT included in the connector kit for the GDU 450. I still don't see how or where I can deduce that in the manual but on with the wiring...
I thought I was going nuts, misplaced it or knocked it off my work table or the dog grabbed it or I don't know what... Wasted several hours looking for it...
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
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11-04-2015, 09:44 AM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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G3X / 450/460 and Vizion
Is there a thread here that shows the pin connections between a G3X and the Vizion autopilot? I thought I saw something but of course now that I'm ready for it I can't find it. I have the Vizion , the g3X and the 429 ARINC converter. I have the Vizion install document, but it must be an older version as there is no reference to the 450, just the 37 series. Wasn't sure if there might be something that goes from the AP to the GSU 25?
Thanks
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
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11-04-2015, 01:27 PM
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Join Date: Mar 2008
Location: Dublin, CA
Posts: 1,261
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I think TruTrak has that information in their installation manual. Go look on their site.
__________________
Ray Tonks
2020 Donation Paid
Titan IOX-370, Dual PMAGs, 9.6:1 Pistons, FM-150
RV-7 Fuselage in progress
* Cabin Interior - In progress
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
RV-7 Preview Plans
Vans Training Kit #1 - Complete
EAA Sheet Metal Class - Complete
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11-04-2015, 08:00 PM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Vizion 385?
Ray,
Thanks, I did check the site and didn't find enough to be comfortable with the changes I think I need to make.
Hopefully with help from the G3X guys and TruTrak I will be able to get everything talking.
My question do I STOP using the 430 for serial and ARINC data since I am installing the G3X with the GAD 29 ARINC and have the Vizion 385. And, do I pair up the pins 14 and 15 from the 385 to both the GAD 29 and the GSU 25?
The vizion document that I have doesn't mention the GSU25 or the GDU 450? It does refer to the GDU 37X and GSU 73, but I hate making assumptions like this even though I can probably find the similar ARINC A and B and serial pins on the 450 and GSU 25.
Thanks
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
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11-05-2015, 06:14 AM
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Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,885
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Interfacing Vizion 385 to G3X Touch System
Quote:
Originally Posted by Jimd
Ray,
Thanks, I did check the site and didn't find enough to be comfortable with the changes I think I need to make.
Hopefully with help from the G3X guys and TruTrak I will be able to get everything talking.
My question do I STOP using the 430 for serial and ARINC data since I am installing the G3X with the GAD 29 ARINC and have the Vizion 385. And, do I pair up the pins 14 and 15 from the 385 to both the GAD 29 and the GSU 25?
The vizion document that I have doesn't mention the GSU25 or the GDU 450? It does refer to the GDU 37X and GSU 73, but I hate making assumptions like this even though I can probably find the similar ARINC A and B and serial pins on the 450 and GSU 25.
Thanks
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Hello Jim,
We think you are covered very well with the existing documentation. According to the Vizion 385 installation manual, it requires a single RS-232 interface (to a G3X/G3X Touch display) and a single A429 interface to the GAD 29 just like the GX Pilot.
Page 23-19 of the Rev. U G3X Installation shows these two connections for a Trutrak GX Pilot connected to a G3X display and the GAD 29.
Page 14 of the Rev. A Vizion 385 installation manual discusses both GSU73 and GAD29 interfacing for a G3X system installation and confirms that the Vizion 385 uses the same pin numbers as the GX Pilot.
Simply put, follow the wiring guidance for a GX Pilot on page 23-19 of the G3X Installation Manual and you should be set.
Andrew or Lucas can help us out if we made any mistakes here.
Thanks,
Steve
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
Last edited by g3xpert : 11-05-2015 at 06:16 AM.
Reason: Correct pin numbers
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11-05-2015, 07:34 AM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Thank You!
Steve,
Thanks for the timely support, that helps.
And, I don't mind "simple" 
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
Last edited by Jimd : 11-05-2015 at 07:53 AM.
Reason: Simple...
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11-05-2015, 09:06 AM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Serial Data ?
Ok,
I have already put the GDL 39R serial pins/wires into pin 47/48 on the P4502 serial 1. So, can I use the next available serial pair on the 4502? Does it make any difference, should I move the GDL to the next pair and put the autopilot on number one pins 47,48? Will this choice become a bit of required info when it comes time to configure everything once I power it up?
There is nothing quite as satisfying as the click of a pin going into the socket of a wiring connector, until you realize it was the wrong hole!
Thanks
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
Last edited by Jimd : 11-05-2015 at 09:09 AM.
Reason: Humor?
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11-05-2015, 09:10 AM
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Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,885
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Hello Jim,
You may use any of the five available RS-232 ports on the main connector of your GDU 450 display for connection to a third-party autopilot.
Yes, in order to properly configure your system, you will need to know which RS-232 and ARINC 429 ports are connected to which devices.
- Matt
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
Last edited by g3xpert : 11-05-2015 at 09:14 AM.
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11-08-2015, 04:51 PM
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Join Date: Apr 2008
Location: Central Iowa
Posts: 317
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Getting there!
I got the autopilot connector all finished up today. I transferred my solder connected wires to a new crimp connector. I should be able to put the GNS 430 P4001 connector back together tomorrow and start putting things back into the panel!
Question- is a 32 gig SD card TOO big for the G3X? Do you need a SD card for each GDU?
Hope maybe to get the power on by the end of the week!
Stay tuned for a flurry of questions, especially when it comes to configuration .
Jim
__________________
RV-6
RV-10 tail kit 50%
(When do I get to measure something?)
"Flying north of the Arctic Circle and back - several thousand dollars,
Doing it in an RV you built yourself - PRICELESS!"
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