Hotpoint Frig not cooling, already replaced mainboard, heater and thermostat

Refrigerator & Freezer Repair
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1

As the title suggests, I have already replaced the control board, heater and thermostat.
I will say that the control board was a little different as the replacement (p/n WR55X10942) had places for 2 additional pin connections, but via my google research it seemed like it was the right replacement (I assume rev changes).

I also bought the main board new off of ********, so I guess there is a chance that it is just not working.

My freezer coils are still freezing up which in-turn keeps my frig from cooling.

Any other ideas before I trash this frig?

3

Locate the 3 pin, gray power connector on the motherboard. Unplug it and stick a wire jumper between the mating pins as labeld on the motherboard line and def.
If fridg now defrosts, I would try new evaporator and freezer thermistors.