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Question:

Which computer/wiring harness should I use on my Fox body?

I bought a 88 Fox 4 cyl body, and I'm swapping in a 94 gt drivetrain. I have both harnesses, and I have a 94 computer as well from the donor car.Will the 94 harness swap right in? Or are connections too different and I'll have to get/use an 88 8 cyl harness?

Answer:

You would be best served using a 94 chassis and engine side harness, however I do believe they are interchangeable, since the 94 is still a fox body chassis technically.
you do realise you are going to need more than just the the drivetrain? you will need the speedometer if i remember the drive is electronic. buy a painless wiring kit. i think they do them for mustangs. yes the connections will be different. the reason being you are going from 4 cylinders to a v8.

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