EAA Chapter 635 in Deland, FL is working on a 601 HDS with the Suburu engine.  The ignition control unit mounted on the forward part of the engine shorted out.  There are no makrings on the unit.


Can anyone suggest a replacement part for this unit?


Thank you,


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Hi Roy,

   This is a very OLD message but was that Ignition Control Unit you asked about also called an Automatic Coil Selection unit?

I THINK this is the 601HDS that I bought from your EAA Chapter about 2+ years ago.   :)

Found out that the Coil Selection Unit was bad when I started working on the Engine.  It would run on one coil but not the other.

I got the plane certified and N numbered and it's running on just the one coil but I've located the replacement part and should have it installed in a couple weeks.

YES the 601HDS I purchased from EAA635 is now flyable.  :)

Glen Rushing


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