99 v10 cab and body swap onto my 97 12 valve
 

So I already have the donor truck that is in great shape but has a blown up v10. Got it for basically free and my 97's body and interior are hammered so I'm doing the swap and I couldn't be more excited :yeah: But I want to do it right and use the 99's interior and dash so I need a few hard to find parts and was wondering if anyone on here has them or knows where I could get them. I need a 1998 12 valve wiring harness and the ecu. You can message me here or call or text me at 425 344 8594. Any help is appreciated! I am having a very difficult time finding these parts! Oh yeah and I'm going to take a bunch of pictures and do a write up :c:

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After doing some more research I would like to know if its even possible to make my 12 valve with the 98 ecu and engine wiring harness hook up to the v10 gauge cluster and electronics? I'm really confused on the whole ecu pcm thing? oh and my truck is a 5 speed and the v10 is an auto.