Medium and Heavy Trucks
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Thanks for asking your question and requesting me. I will try and help you out.
Unfortunately the C7 and 3126 ecms are different. They look the same but are different inside. Also the have very different injectors. I am sorry. I wish they were interchangeable.
Please reply back if you need more help or have more questions. I am happy to assist.
Hey. I just wanted to see how things were going. Please let me know if you need more help. I am happy to assist. If my information was helpful, please leave a good or higher rating so that I receive credit. Thanks.