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I just had mine replaced. It was sometimes faulting (no bus power), and had developed significant resistance in the lugs, creating a reduced and irregular voltage. (12.5v -> 13.0v). The Emergency backup switch provided a solid 14.0v.
We used the same supplier that produces the new Seneca style avionics bus relay, BUT the 12v variety. These are available directly from the supplier. The original Piper relay, if you can find it, is available only at a crazy price.
Here it is, nestled back into the same spot.
* Orest
We used the same supplier that produces the new Seneca style avionics bus relay, BUT the 12v variety. These are available directly from the supplier. The original Piper relay, if you can find it, is available only at a crazy price.
Here it is, nestled back into the same spot.
* Orest