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TA10 charger programmed to work with specific unit?

I had a refurbished Drivesmart 50 device. It came with TA10 charger, but it developed some sort of hardware problem. Garmin replaced the unit.

The new refurbished unit came with another TA10 charger. I wanted to save that charger should one gets rusted (that happened with my older unit). When I plugged in that (older cable), it gave me a warning that it is incompatible with the unit. The new cable worked flawlessly.

Any idea why this happens and if there is any way to fix it.


  • privet01 231 Points
    Maybe something bad with the pins or power supply itself. Might be what trashed your other unit.
  • sussamb 956 Points
    The cables aren't device specific so if your older one isn't working it's faulty.
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