> I also have a 914 and the Rotax manual shows grouding at both ends. My
> manual is three years old though so I don't know if Rotax has changed
> this or not.
>
> Erich Trombley
> A028
>
Mine shows grounds at engine end only in the circuit schematic, but
narratively states both ends. But in the case of a plastic airframe,
grounding with a run of wire to the shields at the mag switch may
accomplish nothing if the problem is suppressing EMI. Also, where
only one end of a shield is grounded, interference-radiating currents
cannot flow (but not always true of RFI).
Regards,
Fred F.
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