I'm getting the no flow error on my Aqua Logic P-4 control panel. The board was replaced about 16 months ago from what I guess is a well known defect. I know it could still be the board but I suspect it's probably the switch since it's 4+ years old. I'd like to check it out first to make sure before I buy a switch. I should be able to just simulate a closed switch by putting together a jig with a telephone connector\cable and shorting the pins together by twisting the appropriate wires together. Problem is my eyesight isn't what it used to be and I can't tell which two pins are being used.

I've searched the net and couldn't find a reference for a pinout on this connector. Does anyone know where one is?