I am having the same problem. Random disconnecting from power

 

Had a 700i for about  18 months.  Mounted in Over landing vehicle.   yesterday it started showing the ‘external power lost.    Randomly.   Won’t stay connected, either in the mount or when plugged in directly.    Trip in two weeks.   Need  the Montana. *******   Help please.   I see the posts.  What is/was the solution??? 

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