Testing USB Port
Measure 12V where indicated below.
If LED indicator is not on,
USB port is bad.
USB power indicator LED*
The USB port is
marked “+” (yellow wire)
and “-” (black wire).
Note: The “+” spade lug is larger than the “-” lug
1. Power ON Mower.
2. Set DMM to measure DC Volts.
3. Connect a scrap USB cord with one end removed.
4. Measure 5V between the red and black wire
*USB operated 11.5v-12.5V nominal power IN, 5V OUT. The LED indicates there is power IN,
But does not guarantee the USB 5V out is working.
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