Connects 3 motors to motor board and drives LED.
Conductors 1 thru 10 = X-axis motor; Conductors 11 thru 20 = Y-axis motor; Conductors 21 thru 30 = Z-axis motor;
Conductors 27,28,29,30 feed through the Z-axis motor connector for an extra 6inches to the Z-axis Limit Sensor connector.
Conductors 31 and 32 run the optional pinch-clamp motor.
Conductors 33, 34 drive the blue LED where 33=gnd and 34=+LED.
Black paper tape is strain relief and chafe guard where cable enters head.