Try to enter these commands using SSH and look to see if the USBs work.
echo 432 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio432/direction
echo 1 > /sys/class/gpio/gpio432/value
echo 432 > /sys/class/gpio/unexport
Edit: If it works, add the lines at custom_start.sh (or autostart.sh)