This is the burner ASSEMBLY (burner tube with spark electrode and mounting bracket)
LARGE Hole in mounting bracket is where the Thermocouple is installed
Spark Electrode Wire plugs into end of electrode and goes to 'reigniter box' (s/b grey wire)
Thermocouple has 2 wires ----Black & Grey
Black...ground ---goes to J10 terminal on circuit board (far right side)
Grey ---DC millivolt ----goes to J3 terminal on circuit board (left side)
Your fridge was part of the RECALL....stack temp switch installed and 2 red wires (DC In/DC Out)
DC+ from terminal block to stack temp switch then back to circuit board J4 terminal. Switch Opens no DC to fridge (no functions, no lights, no display ---nothing)