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PA28R-200 mystery wire

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Ajett54

Well-Known Member
Joined
Apr 4, 2017
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I decided to remove some of the unused wiring in my Arrow after having an Aspen and TruTrak installed. While I was pulling a wire from the old autopilot area across to the circuit breaker area a wire came loose from somewhere. The end that came loose appears to have come from the circuit breaker area but I can’t be sure. The end that is still attached goes to some device in the bottom of the radio stack. I was able to remove a blank in the bottom of the radio stack and get a photo. The mystery wire solders to the underneath side of this device. It looks like resistors or transistors. I checked all of the equipment and lighting and everything seems fine, however, I haven’t flown it yet. Does anyone know what this is?
Thanks, Alan
 

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