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Old 10-31-2008, 04:41 PM   #151
powerneedy
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wow great job! im in the process of a 95 with full 04/05 sti motor, dash, and harness... i may have to ask you some questions lol
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Old 11-01-2008, 12:46 AM   #152
scubydrew414
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Chapter/Region: Tri-State
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99 RS swapped
black

Thumbs up

i just want to say, Thank you!!!!! this is going to help me a lot!!..
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Old 11-18-2008, 07:11 PM   #153
Patty_McFly
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2001 Impreza 2.5RSTI
BRP

Post my swap

i have been wanting to do a swap for sometime now with my 97 brighton coupe to an 02 WRX but i dont really want to do the wiring (due to lack of attention span) is there any where that i can get i pre wired harness for a swap
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Old 11-18-2008, 08:05 PM   #154
99 rs
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http://www.rs25.com/forums/showthread.php?t=63515

Look through the above link and find which shop is closest to you. From what I've been reading you send them your Brighton harness, you send them the WRX harness and you also send them $1000 and you get back a plug and play harness.

Having said that, your wiring will be near identical to what I have written up here....which is the whole point of this thread. It's easier than you think.
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Old 12-03-2008, 08:38 PM   #155
hxcjohnny
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2004 Wrx Sport Wagon
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this is a wonderful thread, and I love your car haha. You could always sell it to me
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Old 12-23-2008, 08:45 PM   #156
Cbgrandtheftauto
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Chapter/Region: South East
Location: TN
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99 Impreza RS
'13 BRZ

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I have a question...on the firewall next to the windshield wiper motor their is a plug...does it go to the front o2 sensor???
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Old 12-24-2008, 06:31 PM   #157
99 rs
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The big plug is generally for the cruise control. If it's on your 99 then that is most likely it. Post up a picture and we'll be able to tell you for sure.
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Old 01-19-2009, 04:48 PM   #158
WagonRXer
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you guys should pat yourselves on the back. nicely done!
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Old 01-20-2009, 12:24 AM   #159
transporter
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woe good work
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Old 02-22-2009, 07:21 PM   #160
2fool1again
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Just curious because i see a 04 sti steering wheel on, would a full sti dash board with cluster fit on a 99-2001 RS?
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Old 02-27-2009, 01:08 AM   #161
99 rs
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Quote:
Originally Posted by 2fool1again View Post
Just curious because i see a 04 sti steering wheel on, would a full sti dash board with cluster fit on a 99-2001 RS?
It physically fits but it's definitely NOT a direct bolt in. I don't really recommend it. It never looks right as there are too big of gaps on the sides; you have to hack away at your firewall to fit the heating/AC system and then finally passenger side airbag isn't designed to work with the RS. The airbag will still explode but I'm not sure if Subaru "uses" the windshield to direct the airbag. Overall, I say it's not worth it. Just get an STI steering wheel and a JDM cluster and it will give a nice upgraded feel.
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Old 03-16-2009, 07:15 PM   #162
2fool1again
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The part that confuses me the most is having to label every single wire with tape? Did you splice the rs harness with the wrx harness? Isn't it faster just to take all the wrx's harnesses and ECU and just transfer it to the rs and plug it all in. This way you wont find your car on fire because you got lazy and soilderd a wire half arse at 3am in the moring?
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Old 03-22-2009, 11:07 PM   #163
corniok2
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no no dobra robota
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Old 04-16-2009, 11:47 PM   #164
iZach206
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this is so incredible. thank you so much for taking the time to do this. no joke i am swapping my 98rs with a 02 wrx motor and drivetrain. super good job too
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Old 04-17-2009, 12:16 AM   #165
venomsti650
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Brilliant.
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Old 04-17-2009, 01:25 AM   #166
99 rs
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Quote:
Originally Posted by 2fool1again View Post
The part that confuses me the most is having to label every single wire with tape? Did you splice the rs harness with the wrx harness? Isn't it faster just to take all the wrx's harnesses and ECU and just transfer it to the rs and plug it all in. This way you wont find your car on fire because you got lazy and soldered a wire half arse at 3am in the morning?
That is the exact reasoning why people do an interior swap. If you want to keep the proper interior then you'll have to splice. I basically spliced the WRX ecu onto the RS bulk harness. The majority of the wires are right at the ECU. I still recommend splicing instead of interior swap. Nothing fits properly and you have to hack away at your firewall.
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Old 04-17-2009, 01:26 AM   #167
99 rs
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Thanks for the above comments.

Last edited by 99 rs; 08-23-2010 at 10:46 PM.
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Old 05-04-2009, 12:08 PM   #168
Firewarrior333
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05 wrx goodness

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this write up is amazing kudos
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Old 05-23-2009, 02:46 PM   #169
SilverJS
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That's an awesome thread. Sure wish I had something like this when I embarked on my FZR400 -> YZF600 conversion...=)

This is off-topic, but I've started researching - would you happen to know how much of the info in here will apply to a similar swap in a 1998 Outback?

Cheers!
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Old 06-19-2009, 11:19 PM   #170
europeanwhieboj
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zajebiscie skont jestes?
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Old 07-13-2009, 08:40 PM   #171
dppaladino
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Any issues thus far with the rear axles? I'm confused as to whether you actually used RS or WRX hubs? I know you said the wrx axles wernt a perfect fit with the RS hubs because of a little rim thing. Please let me know!
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Old 07-15-2009, 04:39 PM   #172
subiev802t
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sweeet
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Old 08-14-2009, 02:47 PM   #173
Scracho
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Awesome write-up! You should consider this as a regular job
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Old 10-02-2009, 12:36 AM   #174
MikeStreat
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I am going to be doing a swap like this one, and i was wondering why you used the 2.5rs diff. and not the wrx, wouldnt that make it alot simpler, and more reliable? great guide btw
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Old 10-09-2009, 04:46 AM   #175
iluvdrt
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Quote:
Originally Posted by 99 rs View Post
That is the exact reasoning why people do an interior swap. If you want to keep the proper interior then you'll have to splice. I basically spliced the WRX ecu onto the RS bulk harness. The majority of the wires are right at the ECU. I still recommend splicing instead of interior swap. Nothing fits properly and you have to hack away at your firewall.

Stupid question, but you basically use the wrx ecu and engine harness than wire the RS (or in my case Legacy) body harness in place of the WRX's body harness. That way the wrx ecu will run the engine, but provide power to the recieptient cars accessories and stuff.
Do I have this right?
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