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Old 07-22-2013, 03:37 AM   #1
2.5rs WRX
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Member#: 361227
Join Date: Jul 2013
Chapter/Region: E. Canada
Location: Toronto Ontario
Vehicle:
1998 2.5RS Impreza
WR Blue

Default GC8 With 04' STi Wiring but no STi Motor!? WRX Swap?

I bought a 2000 2.5RS and to my amazement, it came with the wire-harness merge already done with a 2004 STi harness (but no ecu). STi motor and tranny were taken out because the car was hit, insurance paid the owner, he took the motor out and threw a bull**** RS motor in there (nothing is wired/connected).
Plus side, however, the wire harness is complete intact and labeled. I (just two weeks earlier) bought a 2004 WRX. I'm wondering, can I use his STi wiring harness that has been merged in the cabin on my WRX motor?

Redundant short-story: GC8 with 2004 STi wire harness merged. No STi motor or tranny. But have a 2004 WRX motor and tranny (complete car w/ full harness, drivetrain etc). Can I use my WRX motor to the STi's wiring thats been merged? I have a 3rd GC8. I just use that GC8's ECU and stick it in here and plug & play it, right? Only reason I don't want to merge the WRX harness to the 2.5RS GC8 is because, I don't have the money I spent it buying this (already STi wired) Gc8 from an auction >.>

Thoughts? Will the wiring support a WRX motor?

Edit: Willing to ship free parts (from a GC8 and left overs from 04' WRX) to anyone who can help me "fully"
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Old 07-22-2013, 10:16 AM   #2
Jaxx
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nope won't work they are all totally different (nothing in common)
best bet is to sell the rs/sti harness here or rs25.com
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Old 07-22-2013, 12:04 PM   #3
2.5rs WRX
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Join Date: Jul 2013
Chapter/Region: E. Canada
Location: Toronto Ontario
Vehicle:
1998 2.5RS Impreza
WR Blue

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Quote:
Originally Posted by Jaxx View Post
nope won't work they are all totally different (nothing in common)
best bet is to sell the rs/sti harness here or rs25.com
How much is it worth? And.. besides AVCS wire(s) being present, what else is different on the wiring that would render it incompatible?

On a side note, this thread will probably be helpful in the future.. Hasn't been covered yet.

Thanks for the reply, however! Much appreciated. 95% sure I'm going to sell that harness now.. Send offers!
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Old 09-17-2013, 07:41 PM   #4
Jordan Suger
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Join Date: Sep 2013
Subaru Stars Wire harness

Quote:
Originally Posted by Jaxx View Post
nope won't work they are all totally different (nothing in common)
best bet is to sell the rs/sti harness here or rs25.com
I am looking for an STI harness married to an RS harness to complete my swap. if there is anyone that has a ready plug and play harness please contact me mr.suger@live.com

Thank you guys
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