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curts63
Joined: 04 Dec 2013
Posts: 30
Location: New Ringgold, PA
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 Posted: Tue Feb 24, 2015 4:50 am Post subject: Having several issues with my installation |
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First, I'm not an avionics person nor do I play one on TV. I bought a used Arion Lightning, composite airplane. I didn't like the original EFIS, so I elected to install a new Dual Screen Garmin G3X Touch system. Complete with dual ADHRS, Magnotometer, Autopilot, AP Controller, GDL-39R, remote transponder, remote radio, GNS-430W, GAD29, audio panel, and a coffee pot. This is a 12v system using a Jabiru 3300 engine. The fuel probes are capacitance made by Centroid Products, sold through MGL.
I had an avionics guy do most of the wiring and guide me through the process. We did not have the luxury of a true avionics shop, like most, trying to save a buck or two.
We removed most of the previous wiring and installed all new home made harnesses. Using shielded wire for all but the power and ground connections. We have the battery mounted on the firewall with a piece of shield braid connecting to the firewall. A heavy wire going to the starter ground to battery. We ran two grounding wires to separate central grounding points under the spar box/pilot seat. We kept all avionics on one ground buss and all other powered items on the other ground buss. The power wires go to either an ExpBus2 switch panel or a buss bar with breakers for each component. We kept two separate power controls, in the event of a main battery loss, the backup battery would power the essential items on the buss strip. This is done via a two way relay. All comm antennas are mounted on the belly with small ground planes, bonded to the avionics ground buss. The GPS antennas are mounted on the top of the fuselage. RG-400 is used on all coax cables and the comm coax is run down one side and the gps is routed down the other.
Here are the issues;
While the plane is shut off or running, if you turn on the AeroLED strobes, the TACH misreads or flags. If you add the NAV lights, it gets worse.
IF you turn on the LED landing light, the COMM 1 breaks squelch.
IF you key the mic for either radio, the fuel indicators begin to drop. When you release the mic, they regain.
Called AeroLED and Dean wanted to basically sell me new Nav/Strobe lights, but didn't offer a solution to my existing lights. Garmin has some G3Xperts that can offer assistance, but it's tough to get them on the phone. I'm at my wits end!!!! Everything I know about avionics, I've learned in the last 3 months, and I don't like it.
I'm looking for any good advice that someone can offer. Please understand my ignorance and speak to me like a third grader.
Thanks, Curt
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jluckey(at)pacbell.net
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| Posted: Tue Feb 24, 2015 2:29 pm Post subject: Having several issues with my installation |
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Curt,
What part of the country are you in?
On Tuesday, February 24, 2015 5:05 AM, curts63 <curts63(at)verizon.net> wrote:
--> AeroElectric-List message posted by: "curts63" <curts63(at)verizon.net (curts63(at)verizon.net)>
First, I'm not an avionics person nor do I play one on TV. I bought a used Arion Lightning, composite airplane. I didn't like the original EFIS, so I elected to install a new Dual Screen Garmin G3X Touch system. Complete with dual ADHRS, Magnotometer, Autopilot, AP Controller, GDL-39R, remote transponder, remote radio, GNS-430W, GAD29, audio panel, and a coffee pot. This is a 12v system using a Jabiru 3300 engine. The fuel probes are capacitance made by Centroid Products, sold through MGL.
I had an avionics guy do most of the wiring and guide me through the process. We did not have the luxury of a true avionics shop, like most, trying to save a buck or two.
We removed most of the previous wiring and installed all new home made harnesses. Using shielded wire for all but the power and ground connections. We have the battery mounted on the firewall with a piece of shield braid connecting to the firewall. A heavy wire going to the starter ground to battery. We ran two grounding wires to separate central grounding points under the spar box/pilot seat. We kept all avionics on one ground buss and all other powered items on the other ground buss. The power wires go to either an ExpBus2 switch panel or a buss bar with breakers for each component. We kept two separate power controls, in the event of a main battery loss, the backup battery would power the essential items on the buss strip. This is done via a two way relay. All comm antennas are mounted on the belly with small ground planes, bonded to the avionics ground buss. The GPS antennas are mounted on the top of the fuselage. RG-400 is used on all coax cables and the comm!
coax is run down one side and the gps is routed down the other.
Here are the issues;
While the plane is shut off or running, if you turn on the AeroLED strobes, the TACH misreads or flags. If you add the NAV lights, it gets worse.
IF you turn on the LED landing light, the COMM 1 breaks squelch.
IF you key the mic for either radio, the fuel indicators begin to drop. When you release the mic, they regain.
Called AeroLED and Dean wanted to basically sell me new Nav/Strobe lights, but didn't offer a [quote][b]
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curts63
Joined: 04 Dec 2013
Posts: 30
Location: New Ringgold, PA
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| Posted: Wed Feb 25, 2015 4:50 am Post subject: Re: Having several issues with my installation |
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I'm located in eastern PA.
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