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Old 02-18-2012, 05:57 PM   #2
Scooby Specialist
Member#: 48377
Join Date: Nov 2003
Chapter/Region: MWSOC
Location: "They eat fish soaked in lye"
1996 Gutted, built
XP class Impreza L


If you are going to use an '04 ECU you need to use an '04 harness, or do some rewiring.

There is quite a bit of wiring you are going to have to do in any case, because the 2.5i does not have the fuel pump controller like the turbo models do, along with a bunch of other differences.

I recommend downloading the wiring diagrams and figuring out everything you need to get before buying anything. That way you know all the parts you get will work.
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speedyHAM is offline   Reply With Quote