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03-01-2011, 04:19 PM | #1 |
Scooby Specialist
Member#: 189889
Join Date: Sep 2008
Chapter/Region:
NESIC
Location: Boston
Vehicle:02 Bug-Eye Stroker *Twin Scroll Equipped* |
V7 JDM STI :Engine Wiring Harness
Ok, so Im in the process of buying a 2001 V7 STI motor. It comes with the 6sp tranny,TMIC, Harness,ECU, etc. My question is, which engine harness do I use? I know the V7 has AVCS but the wiring harness was set up for RHD not LHD. Can I re-use the stock V7 harness or do I have to modify my WRX harness to suit the AVCS? Anything else I might be missing please do tell.
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Last edited by elsuicida; 03-01-2011 at 04:26 PM. |
03-01-2011, 04:27 PM | #2 | |
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MWSOC
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Quote:
Someone will pipe in with the documentation... the motor is pretty much plug and play other than the AVCS. You can buy a kit from a vendor... I'm not sure whom, or you can add 4 wires and modify one of the connectors on the harness. You definitely do NOT want to pull the V7 harness... This is, of course, assuming you are swapping this in to your 2002. |
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03-01-2011, 04:33 PM | #3 |
Scooby Specialist
Member#: 189889
Join Date: Sep 2008
Chapter/Region:
NESIC
Location: Boston
Vehicle:02 Bug-Eye Stroker *Twin Scroll Equipped* |
Yeah is going on an 02. Any idea where I can get more info on that kit. I didn't know they had one available.
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03-01-2011, 04:33 PM | #4 |
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Join Date: May 2007
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SWIC
Location: PHX, AZ
Vehicle:2006 SV650, 05 CTSV 1972 Travelall |
is the V7 motor OBD-I or OBD-II?
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03-01-2011, 04:36 PM | #5 |
Scooby Specialist
Member#: 189889
Join Date: Sep 2008
Chapter/Region:
NESIC
Location: Boston
Vehicle:02 Bug-Eye Stroker *Twin Scroll Equipped* |
I mean it is a 2001 Motor. So I am 100% sure its an OBD-2. Unless otherwise. I mean even If I have the ECU it would still not be a Plug-N-Play?
Last edited by elsuicida; 03-01-2011 at 04:50 PM. |
03-01-2011, 08:02 PM | #6 |
Scooby Specialist
Member#: 189889
Join Date: Sep 2008
Chapter/Region:
NESIC
Location: Boston
Vehicle:02 Bug-Eye Stroker *Twin Scroll Equipped* |
Any gurus out here that can shine some light?
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03-01-2011, 10:55 PM | #7 |
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Join Date: Mar 2005
Chapter/Region:
SCIC
Location: So Cal
Vehicle:2005 Subaru STI 2003 EJ207 S204 Wagon |
There's a write up on this. You can reuse your existing USDM harness, but you'll need to change the pins around and add an additional 4 wires to attach to the JDM ecu.
http://forums.nasioc.com/forums/show...t=ej207+wiring http://www.importtuner.com/tech/0311...ion/index.html |
03-01-2011, 11:31 PM | #8 |
Scooby Specialist
Member#: 189889
Join Date: Sep 2008
Chapter/Region:
NESIC
Location: Boston
Vehicle:02 Bug-Eye Stroker *Twin Scroll Equipped* |
Good Info. I also found this:
http://www.iaperformance.com/product...oducts_id=2580 |
03-17-2011, 12:50 PM | #9 |
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Member#: 212744
Join Date: May 2009
Location: Ottawa Canada
Vehicle:2005 Ver8 EJ207 VF37 6 speed |
Dude.. everything plugs in.. except for avcs.. its direct plug and play in your existing cabin harness.. but run the V7 ecu. get the IA avcs harness to make avcs work. very very easy swap.
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04-07-2011, 04:30 PM | #10 |
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South East
Location: ft lauderdale, florida
Vehicle:2013 Impreza WRX Black |
Not to thread bomb or anything.
Im new to the site, I just purchased an 07 wrx tr for $8000. (It had a blown motor and was a friend of mine) I have been doing some research but cannot find exact information on the swap im wanting to do. most jdm swaps i have came across in great detail are bugeyes or earlier models. Im interested in doing a jdm V7 swap but keep it LHD. on ebay there is a few front clips for sale for $9500. My question is, is there any link or info on doing a swap like im planning on doing. an older engine in a newer car. (Mainly wiring related) Any and all info/help would be greatly appreciated!!!! |
04-07-2011, 05:14 PM | #11 |
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Member#: 4986
Join Date: Mar 2001
Chapter/Region:
NESIC
Location: Back frm Ireland Fallbrook, Ca
Vehicle:2002 BlzYel JDMSTiv7 GRP 08 FXT |
I went the rout of using the JDM ecu and harness.
OBD II, of course Will it pass U.S. OBD II plug in inspection/emissions check, No. Not all states require, check your local listings. JDM ECU won't send 'ready bit' that US OBD II tests look for. Keep your USDM ECU and flash with JDM map (No AVCS) to get thru US OBD II plug in inspection. |
05-05-2011, 01:03 AM | #12 |
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Join Date: Sep 2004
Location: Northern New Jersey
Vehicle:1998 Impreza RSTi Faded Rally Blue |
JDM ECU V7 passes NJ inspection. Mine definiately sets the ready bit. Shows the O2 sensor heaters are working properly.
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05-06-2011, 11:21 AM | #13 |
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Member#: 20437
Join Date: Jun 2002
Chapter/Region:
Tri-State
Location: Downingtown, PA
Vehicle:1999 Impreza RS STI Ver7 |
my JDM ECU V7 also passed PA inspection. I was told that newer engine in older car is ok, now if I had newer car with older engine then there could have been issues.
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10-18-2011, 10:32 PM | #14 |
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Member#: 248584
Join Date: Jun 2010
Location: waterloo
Vehicle:2002 wrx |
i just got a v7 jdm that im dropping into my 02 rex but the passenger side connector has been cut....does anyone have the wiring diagram or a few pics so i can splice in a new connector.
thanking you in advance |
02-02-2012, 06:26 PM | #15 |
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Member#: 255999
Join Date: Aug 2010
Location: London, On
Vehicle:2002 Impreza RS 5MT blue |
I know this is an old thread, but will the cabin harness from an 02 rs plug into the jdm sti v7 ecu?
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02-07-2012, 08:07 PM | #16 |
Scooby Guru
Member#: 6886
Join Date: May 2001
Chapter/Region:
Tri-State
Vehicle:MY01 EJ207 HTA35r AVCS ON! |
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02-08-2012, 09:18 AM | #17 |
Scooby Specialist
Member#: 3362
Join Date: Dec 2000
Location: Central NJ
Vehicle:2001 I've wired a Few cars in my day |
The 02 RS harness is more or less the same as any other year RS and will not plug into any WRX harness. You will need to have the harnesses merged. I've done quite a few of the 02+ RS'.
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02-08-2012, 11:40 AM | #18 |
Scooby Newbie
Member#: 255999
Join Date: Aug 2010
Location: London, On
Vehicle:2002 Impreza RS 5MT blue |
will taking all of the pins out of my rs plugs, and placing them in the jdm plugs (obviously in the right spots) work?
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02-08-2012, 01:24 PM | #19 |
Scooby Specialist
Member#: 3362
Join Date: Dec 2000
Location: Central NJ
Vehicle:2001 I've wired a Few cars in my day |
Unfortunately you can not repin the plugs. They are a different shape and will not fit. The harness needs to be merged. The plugs in the engine compartment are also pinned differently and located in different positions on the turbo cars.
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02-08-2012, 01:32 PM | #20 |
Scooby Newbie
Member#: 255999
Join Date: Aug 2010
Location: London, On
Vehicle:2002 Impreza RS 5MT blue |
what is involved in a harness merge, I only see people recommended to take it to xxxx shop, I prefer to do everything myself.
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02-08-2012, 01:33 PM | #21 |
Scooby Newbie
Member#: 255999
Join Date: Aug 2010
Location: London, On
Vehicle:2002 Impreza RS 5MT blue |
I can probably get my hands on a wrx harness, but will it plug into my rs components (for the body) and I will still need the dccd, is that possible when using a wrx harness?
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02-09-2012, 12:07 PM | #22 |
Scooby Newbie
Member#: 255999
Join Date: Aug 2010
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Vehicle:2002 Impreza RS 5MT blue |
I found a guide for a gc to gd merge, so I have the general idea, but if the metal pins inside the plugs are the same from my rs to the wrx, I still can just repin them, otherwise I may try to find the wrx pins in bulk somwhere so I don't have any cut wires.
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02-10-2012, 08:18 AM | #23 |
Scooby Guru
Member#: 6886
Join Date: May 2001
Chapter/Region:
Tri-State
Vehicle:MY01 EJ207 HTA35r AVCS ON! |
Not anymore, I set the ready bit, no CELs...but still failed. The report and the inspector explained a handful of the emissions criteria showed up as "Unknown". This was through the month of December '11. I had it pass before in 03.
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