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V Sport engine swap

3503 Views 14 Replies 4 Participants Last post by  Ya it's fast.
I have a 2014 CTSV sport with a blown head gasket. I purchased a another engine from a 2019 V Sport and made the swap. Everything looks normal when turning on the ignition but engine will not turn over or make any sound not even a click. Hitting the start button a second time turns the instrument cluster off but with no Cadillac shutdown logo. I used the harness that was on the donor engine. Should I have used my old harness? Donor engine has 8k on it. I'm 10 days into this and kinda frustrated. Any suggestions, thoughts?
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Any update to share your knowledge with the community? Did you finally resolve it?
Hope that he will see your question. He hasn't logged on in six months.
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