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2 NeutralAbout TCUDustoff
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Gender
Male
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Location
Galveston, TX
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Model
1968 M20C
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Cruiser, From what I can tell the harness has ARINC IN 2 going to the transponder...makes ZERO sense to me. The G5 only has serial direct from the 400W; the rest of the inputs come from the GAD and ARINC per G5 Install Manual Figure 5-12 Dual G5 with GPS/VHF Navigator. Its evident they built the harness to that figure (per the included paperwork) and then had the weird transponder crap. I have a line on a used Garmin 330 and a 430W. Thinking of swapping my AT-150 for that and then configuring it for serial output into the 430W and then at some point when funds recover, send the 33
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Cruiser, Jet driven got me straight on the ground to the connector and yeah, I get that it needs the Garmin pin and then insertion into the transponder connector I don't get why its three wires, however, when RS-232 would only be one or two wires depending if its on-way or bi-directional; the ARINC makes sense because it needs two wires and two are in the bundle. Also, the 1 wire / 2 wire also matches the figures in the 430 Install Figures. Not sure what they were trying to wire for on my harness. I guess I am going to have to call them tomorrow.... Speaking of those figures...
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Garmin 430 WAAS with GA36 Antenna w/ backing plate
TCUDustoff replied to Old Chub's topic in Avionics / Parts Classifieds
Sent you a PM.... I went to TCU, so glad to see another Fort Worth peep! -
Thanks Vance! I see that now if I read the 327 install manual. I also checked every pin on this harness to better understand what is going on and it also appears as if they wired the G5s for a 430W and have the connector for VOR/ILS info wired up. *le sigh* Now I am wondering I I should try and get rid of the 400W and pick up a 430W and replace my old Terra 760Ds at the same time...*double sigh* It appears as if I would only need to add 7 wires to the harness to go to a GMA 340. (which also means replacing my com panel and intercom...should have known this would not be this easy!)
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*facepalm* DUH. I feel like an idiot on not thinking about the multi-meter! So that answers the pin-out question and the shielded ground. I think I need to buy the pin insertion and removal tool. Since I can't find any reason to need the Annunciate E, I am thinking of moving it to Serial Channel 3 OUT so I can wire that into my JPI 700. End result would be: Channel 1 would be MapMX OUT for the G5s, Channel 2 would be Icarus-alt for the Altitude IN, and Channel 3 would be Aviation for the JPI. And out of idle curiosity, why is there an option to send Aviation data to the
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Hoping you smart folks can help me out with this. I am trying to do a dual G5 install to a Garmin 400W supervised by my A&P. I bought a pre-made harness from an avionics shop in FL associated with Spruce. It all seems to make sense when I reference the G5 and 400x install manuals EXCEPT the transponder tie in; they left me what you see attached (ANNUNCIATE E, XPONDER RS-232, XPONDER ARINC). So I understand that the 400W needs altitude info for VNAV approaches; that should be a signal wire into an RS-232 input. The G5 manual says to use PIN 56 to output to the G5 so that means RS-