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4.3 to 4.8 swap 5speed

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Old 03-03-2024, 02:12 PM
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Default 4.3 to 4.8 swap 5speed

I already have the 4.8 bolted in but I’m having a issue finding the right wiring harness for my setup.
what wiring harness would fit with the 4.8 and nv3500? Can I use an auto one or does it specifically have to be out of a 5 speed truck?
Old 03-04-2024, 10:26 AM
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About the only signal needed from a manual trans is a correct vss signal. Tune can swap from auto to manual.



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