Mini USB extension for power - TomTomForums.com - TomTom & GPS...

Posted in Gps navigation @ June 21, 2009

The third wire is voltage sense from the plug which controls the regulator circuit in the ciggy plug body, if this wire breaks the voltage goes way high causing components to burn out in the navigation device (a known fact that has been ...

Original article: Mini USB extension for power - TomTomForums.com - TomTom & GPS...

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