How do I determine which electric OD trans I have?

So my son picked up this motor, auto od trans, computer & under hood wiring for an upcoming project. It from a 97 Dodge SST, or SSR or some other lettering .
I know all automatic transmissions from 91 or 92 on were electronically controlled, the later the model, the more the computer controlled. So the question is, how does an old man like me determine which version of electronic controlled trans is sitting on the floor in front of me? Does each version have cast in, or stamped numbers somewhere, or are there wiring plugs that some have others don't? I know its the 727 version of whatever.

Tell me how to determine which version of electric trans I have, please.
Gene

A 500 behind a 318

A 518 behind a 360

97 will have a 46RE. It has more electronics and computer control than the pre-96 46RH. The way to determine for sure is the plug on the driver's side by the gear selector facing up. 2 or 3 pin is RH, Multi pin (like 9-10) is RE.

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A 500 behind a 318

A 518 behind a 360

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Not so. Many 5.2s have the 518(727 based) O/D trans behind them. Now a 3.9, not so much.

I'm assuming this is a gas engine, you didn't give much information at all except it's a something or other. But yeah up through 95 was the RH and 96 on the RE that doesn't have a governor. It uses a solenoid and sensor to get the valve body to perform the shift.