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4.0 to 2.5 swap


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Yeah, that's right. The other way. There's a guy at JF with an 88 MJ that at some point in time got an 86 2.5L transplant and he's trying to get it running. The engine harness seems to be in place but no one swapped over anything in the dash. Wiring ain't my strong suit. Assuming the wiring that has so far been done was somehow done right, can the 2.5L computer just be thrown in and then it'll (magically) fire up? I am not familiar with how much of the dash harness is different between the 2 engines.

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Yeah, that's right. The other way. There's a guy at JF with an 88 MJ that at some point in time got an 86 2.5L transplant and he's trying to get it running. The engine harness seems to be in place but no one swapped over anything in the dash. Wiring ain't my strong suit. Assuming the wiring that has so far been done was somehow done right, can the 2.5L computer just be thrown in and then it'll (magically) fire up? I am not familiar with how much of the dash harness is different between the 2 engines.

 

no the entire bulkhead connector is different.

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