looking for stand alone tcm for converstion

[redbird2]

I looking fro a stand along computer tcm for a K1500 with a 4L60E trans putting in a 3.9lt 4bt Cummins, Or does anyone have know where I could get a factory tcm regprogramed was think of using a Wiring harness and TCM from a P-30 Step van will have to fix up a tps switch, but than fairly simple.
thanks

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