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Date: 05-04-2024
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Number of Hours: 2.50
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Short Description: Sweet...
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Jameson & I headed to the hangar early this morning to begin the installation of the new 4-pin micro harness. According to Tim at Stein Air & the technicians at Garmin; they feel certain that the harness must now be the issue since the module chip apparently was not.
Before I began removing too many components, I did a continuity check to verify the status of the original harness. To my delight, it was faulty. The yellow wire within the harness proved to be the problem. The reason I say "to my delight" is because an intermittent electrical problem is a pain to troubleshoot & I am far from being good with electronics.
Feeling a bit more confident, I dove into the swap out. The Dsub pins were removed one-by-one & replaced with the new harness pin of the same color, Tim’s recommendation. I checked the continuity for each pin as I completed the exchange. After tidying up the connector & placing a couple of strips of fresh silicon tape to the wire bundle, I closed the connector & proceeded with reassembling the panel just enough to perform a test.
The result was sweet – no error message reading: “pfd config module missing”..!
Over the next couple of days, I will re-install & secure the panel. I may change a few things along the way. One item in consideration is the antenna coaxial cable connection to Comm 2. It's a straight in connector, whereas a 90 degree would be better suited.
The assembly continues…
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