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Old 10-08-2008, 09:15 PM   #19
Scooby Newbie
Member#: 38813
Join Date: Jun 2003
Location: Raleigh, NC
1999 RS ej20/stg2 AP


Originally Posted by kheff46 View Post
i did a V4 Sti swap GC-GC and used entire JDM STi wiring harness. it was much faster and simpler this way. but GD to GC iirc under dash plugs are different. a WRX ECU would be easy to use if you went full GD wiring though.

i would use OEM everything to start with because 1) it's legos and it'll all fit, and it gives a good baseline/reference point for tuning, mods, etc.


and im jealous of the $1700 shell as well
Na man, I leave the RS harness in place, cut the WRX ecu connectors, splice them into the RS harness and plug the WRX ecu in. Of course it's a little more complicated than that, but that's what I do...
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