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Garmin GTN 750 Internal Battery Replacement

jliltd

Well Known Member
Just got a message that the internal GPS battery in a GTN 750 is running low and needs to be changed. Has anybody done this DIY (this thing is way out of warranty date).

Thanks.
 
A chap brought a DA40 with 2 x GNS430 into the place I work. Both 430s didn't function. Lots of shoulder shrugging as to what had happened. Actually he tried to replace both batteries himself and had not been successful. Garmin charged their flat repair fee. Expensive mistake. I don't know how different a 750 is to a 430, but it may be worth finding out how much the professionals charge to avoid a much greater bill ... Pete
 
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