Ok,
The Top left 2 LED's are in series, that's why they are working.
The next series are the 2 LED's on the left side wall and the 2 LED's on the right side wall in the refrigerator section.
The final series is the Freezer LED and the 3 right side Top ones in the refrigerator section.
Here's the parts diagram for the freezer section:
Parts for Whirlpool WRF997SDDM00: Freezer Liner Parts in stock and ready to ship today. 365 days to return any part.
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#3 is the LED module, it shows it on the freezer ceiling. Yours is not on the freezer ceiling?
You will definitely need the freezer side LED module and that will make the 3 right side Top ones in the refrigerator section work again.
If you want to verify that, just remove the freezer LED module and use a multimeter on DC volts and see if you get 14 volts DC at the electrical connector to the freezer module, while the freezer door is open.
You just use a putty knife to pry the LED modules out.
Jake