Yes, use 12212156 for the new OS. Sounds like you might need to take the lid off and ground that pin on the board to recover your PCM. I've never seen an XDF for 12216125.
Rick
Yes, use 12212156 for the new OS. Sounds like you might need to take the lid off and ground that pin on the board to recover your PCM. I've never seen an XDF for 12216125.
Rick
1970 Chevy El Camino, LM7 Engine, 4L60E - Two 896 and two 0411 PCM's
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