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Looking for CDI compatible with Garmin 400W

bgmac

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Mar 28, 2011
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Having my Garmin 400w installed. Any body have a compatible CDI? Apparently mine is not.
 

jpwamt

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Jun 23, 2011
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the garmin GI-106 or mid-continent MD200-306 are popular cdi, that have glideslope indication. but garmin's stuff is compatible with a lot of different cdi, have to look at the install manual to find what is compatible or not.

If you have an older one laying around, it most likely will interface with it, but if your buying a new cdi I would recommend the garmin or mid continent one.
 

ettsn

Supporting Member
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Sep 11, 2015
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Mid-continent makes a lot of other companies CDI units. Also directly compatible are some of the STEC models, Collins Microline models and a few others use essentially the same guts. I also believe King models without internal converters like the 209A (the A is the important part) should work as well. The Garmin install manual has a long list of compatible CDI.
 

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