As Dave w mentioned 4 letter code on the ecm Iirc it also will be on silver tape affixed to the prom provided everything is stock and unmolested.
https://www.thirdgen.org/forums/atta...8558-43b1-96a6
As Dave w mentioned 4 letter code on the ecm Iirc it also will be on silver tape affixed to the prom provided everything is stock and unmolested.
https://www.thirdgen.org/forums/atta...8558-43b1-96a6
Last edited by stew86MCSS396; 12-26-2019 at 02:12 PM.
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