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I think you may be on the right track. The last GM column I worked with was a 79 Oldsmobile tilt and it seems to me that the big wires that brought in the power were on the lower end of the column near the neutral safety switch and the switch was activated with a rod like you described. Perhaps 82-up columns were totally different. I haven't worked with a GM column later than 79. I agree that the wires on the connector sandimasguy pictured look too small to power the column. They appear to be wires for directional signals or something similar that would carry lower amperage current.
Surely someone can weigh in to help sandimasguy out that may have worked with the later column. Anybody?
The connector in the picture is from the turn signal switch and wiper switch. These are not the ignition wires. A GM column uses a white switch located at the lower end of the column. It is held down with 2 small bolts. It is operated by a relay rod that moves via a rack and pinion arrangement at the lock cylinder end. I thought all of these old Saginaw columns used the same switch connector from about 1970 to 1987. Is it possible you unbolted it and left it with the donor car? Let me know if this doesn't clear thing up, I can take a picture of one on mine and send it to you.
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