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  #1  
Old 12-01-2010, 03:21 AM
Colossus Colossus is offline
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Hello Everone! New to the Site, and already looking for some help.

Driving a 99 with a 3.9 in it, and managed to get ahold of a 2002 5.9 with the tranny. The 5.9 only has 30K on it, got it from a family member.

I've already went up to a couple of shops with my swap, and got a few questions answered.. but not all.

The problem seems to reside in the wiring harness, obviously going from a 99 to an 02. One of the Mechanics told me that if I bought a Wiring Harness and PCM from a 99 that already had a V8 in it.. the swap should be practical. Ive compaired the 2 and the only difference I can see is where the harness goes into the injectors. Which is only 2 wires, so I was wondering if it would be an easy splice?

If you need any more info just let me know, and if you can foresee any other issues I will run into, Please let me know.
And No this not my daily driver.. its a Toy.

Thanks
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Old 02-02-2011, 08:48 PM
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2001RAMSPORT 2001RAMSPORT is offline
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What I did was I changed the fuel injectors for an old engine that I took out when I replaced my 5.2L with a 1996 5.9L. I would recommend trying to get your hands on different fuel injectors because messing with the wires may mess you up in the long run.

2001 5.2L take out-swapped fuel injectors instead of wiring harness (easier)
5.2 swap.jpg

1996 5.9L install-sanded and painted with no new exterior parts, just new gaskets with fuel injectors from the 2001 engine
5.9 swap.jpg

Any other question about this swap please feel free to ask me.
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Old 02-02-2011, 08:53 PM
erm
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You can do that and I agree...find the harness. I would not try splicing things in and out of the old harness.
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Old 02-02-2011, 08:58 PM
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2001RAMSPORT 2001RAMSPORT is offline
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I'm right with you MADDOG, in my case I had the fuel injectors and that was the easier method but in Colossus' case the wiring harness is his best bet.
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