![wiring step](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
WIRING DIAGRAM
The interfaces in the picture are numbered 1-9 from left to right:
1/2/3 is connected to the positive wire(red) of the motor(sander machine); (choose one)
4/5/6 is connected with the negative wire(black) of the motor(sander machine); (choose one)
7 need to connect the ground wire(yellow) of the power supply cord;
8 Need to connect the negative pole(blue) of the power supply cord;
9 Need to connect the positive pole(pink) of the power supply cord.
VOLTAGE CHOOSING
BEFORE turning on the power, please check and select the CORRECT input voltage !
Otherwise, the power adapter will BURN OUT due to overload !
For example, your local voltage is 110V, please choose 110V before powering on !