Also check the back of the unit. Sometines the diagram will be taped there
In America
5b
looks like you might find it here: http://www.a-1appliance.com/lookup/107531/665700
GM owned Frigidaire from 1919 to 1979. So it is at least 33 years old.
if its plugged in and when you open the door the light is on
how to take fphg2399mf6 out of demo mode
Gibson AKA Frigidaire
capacity of frididaire model GLTF2940ES3
The better of the older refrigerators include General Electric, Whirlpool, and Frigidaire.
Depending on condition anywhere from 1,000 to 5,000.
On average, a Frigidaire or refrigerator uses around 600 watts. This is assuming that the fridge is an average to large size, and not a tiny fridge that would use less power.
I doubt you could even give it away.