5.3 4l60e swap what is tcm?
Ok so.im gathering parts for my 5.3 swap. I have compete harness computer and engine from 2000 silverado with 5.3. The transmission I plan on using is from a 97 silverado square body truck it's a 4l60e and after looking it looks like all the sensors in the trans match the sensors on the harness. But I don't have a tcm? From my understanding a tcm is a transmission control module. Do I need one? And what year would I need one from a 2000 or from a 97? Any help at all would be appreciated
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