First let me say I am not Clark guy, but I have a general Idea on how all of these work. The programming LED is probably triggered from the two LED pins I identified in the image I posted If nothing else you will need to wire up an LED. You will most likely have to wire in a 68 ohm resistor as well. I am not sure if the Clark board lowers the voltage to this pin, so the 68 ohm resistor will protect the LED from over voltage. This LED will then flash as you go through the programming steps and indicate things are being accepted.

The user interface with this board is not friendly, but if you hang in there you will be rewarded when you get to actually use the features it has.