Originally Posted by tayto should have red&blue connectors same as 7427, you will need to add another set of wires for the extra 4l80e speed sensor and probably repin some stuff find a pcm that has 6395 or 7427 they will both run the 4L80E. It came with a 4L60E and a 16168625 ECM. I bought a conversion hardness. Wiring is no problem for me. Rich
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