TH350 oil level, engine off

[WFarm]

I am planning to install a temperature sending unit in my TH350 and was leaning towards installing the unit in the 1/8” NPT pressure tap port, circled in yellow. With the engine off and tranny cold is this port above the fluid level ( assuming not overfilled) or will I need to drain fluid before removing the plug?

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[Matt69olds]

Installing a temp gauge in the case is useless, there is no fluid flow. All you will read is the temperature of the transmission case.

Put the sending unit in the pan.