Quote Originally Posted by Jerrytex View Post
For conclusion, I discovered that the older MGL EFIS units require an I/O extender in order to display trim settings. Of course I/O extenders are no longer available from MGL and a search discovered that there are not any used ones other than one on Ebay but it's in Israel. FYI.
I have one. Send me an email. BenBell4140 at yahoo dot com

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