Hello RSZ28,
John reworked a harness I provided to him. He also reprogrammed the PCM and TCM, but I am not sure what was exactly done. I assume just the basics to get the setup to run in the truck. The transmission appears to be stuck in 3rd while driving. The only DTC I am getting is P0700, but John told me I need to get a better scanner as the code is just a generic. I am looking for a suitable scanner for a DIY'er, but have not found any yet.
As for the combo, the complete setup is suppose to be from a 2007 Silverado 2500HD.
As for the seal, I was referring to the one for the connector. The funny thing like I said earlier is if I disconnect then reconnect the TCM plug or battery, everything shifts fine until I shutdown and restart the car. I am trying not to take it to the dealer because it is a custom application and who knows what they'll say the root cause is for the problem.
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