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6.0 harness and PCM, will it work with a 5.3 engine?

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Old 10-10-2011, 12:15 PM
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Default 6.0 harness and PCM, will it work with a 5.3 engine?
I'm actually going to be installing a 5.3 into a denali that is DBC. I was just wondering if the 6.0 harness and PCM will work with a 99-02 5.3 engine?

I'm thinking it should just be a plug and play, but figured I would ask and see. I also think it has the 4l80e trans in this 02 denali.
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Old 10-10-2011, 12:19 PM
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Yup, it'll work..you will have to adjust the tune for it.
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Old 10-10-2011, 01:33 PM
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Alright cool, I don't think that should be to bad then. Is it just fueling that is the problem?
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Old 10-10-2011, 01:45 PM
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Well kinda..if you saw it you's understand it..alot of factors.
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