Will EJ20 swap with a RS wire harness? - Subaru Impreza GC8 & RS Forum & Community: RS25.com

SCOOBIEdoo · 12-22-2004, 01:11 AM

This is my first time, be gentle. I recently bought a 2001 2.5 RS and i love it. I have an EJ20 motor amd computer ready to be swapped in but i have no wiring harness. My question is whether or not an EJ20 computer is compatable with the RS harness Thanks for any help.

**joubtt** · 12-22-2004, 07:48 AM

No. You need a WRX harness also.

Chin · 12-22-2004, 09:08 AM

Sorry to hijack, but it is related....

Does anyone have, or know where to get, a complete wiring diagram to complete the harness wiring? Thanks.

**CADesigns** · 12-22-2004, 11:44 AM

i think i remember 4wdfury saying he had some pdfs or something of that.

SCOOBIEdoo · 12-23-2004, 01:01 AM

Damn! That's not what i wanted to hear but thanks. Next question is obviously where to get one or should i get one built?

Kaos22B · 12-31-2004, 02:59 AM

**ilmaestro** · 01-03-2005, 10:21 AM

Just wanted to throw this out there... I-speed has been working on a harness that will (I think) adapt your existing harness to an EJ20 ECU, so you don't have to rewire everything. There's a thread for it somewhere. I believe they've prototyped it, but aren't finished yet.

j

erice1984 · 01-20-2005, 01:44 AM

i have the service manuals for the 02 wrx in pdf, gimme a holler and ill see what i can do.

gc8wild · 07-10-2005, 01:00 PM

if you need a wiring diagram check www.rallitek.net they have a few diagrams.

Chin · 07-11-2005, 08:06 AM

Thanks!

12-22-2004, 01:11 AM	#1 (permalink)
SCOOBIEdoo 2.2L Car: 2001 Subaru Impreza 2.5 RS Fav Mod: JDM flavor My: Subaru Parts Join Date: Dec 2004 Location: LBC Trader Rating: (7) Posts: 188	Will EJ20 swap with a RS wire harness? This is my first time, be gentle. I recently bought a 2001 2.5 RS and i love it. I have an EJ20 motor amd computer ready to be swapped in but i have no wiring harness. My question is whether or not an EJ20 computer is compatable with the RS harness Thanks for any help.

12-22-2004, 07:48 AM	#2 (permalink)
joubtt Premium Member Car: 00RS 04STI My: Subaru Parts Join Date: Aug 2002 Location: San Diego Trader Rating: (2) Posts: 951	No. You need a WRX harness also. __________________ No AWD, Not interested

12-22-2004, 11:44 AM	#4 (permalink)
CADesigns bin-der-dun-dat Car: felt sr81 Fav Mod: frog lights My: Subaru Parts Join Date: Jan 2004 Location: Chicago Trader Rating: (37) Posts: 3,752	i think i remember 4wdfury saying he had some pdfs or something of that. __________________ photogasm.net

12-23-2004, 01:01 AM	#5 (permalink)
SCOOBIEdoo 2.2L Car: 2001 Subaru Impreza 2.5 RS Fav Mod: JDM flavor My: Subaru Parts Join Date: Dec 2004 Location: LBC Trader Rating: (7) Posts: 188	Damn! That's not what i wanted to hear but thanks. Next question is obviously where to get one or should i get one built? __________________ Who knew AWD was better than FWD?

12-31-2004, 02:59 AM	#6 (permalink)
Kaos22B 2.7L Car: 1999 2.5RS My: Subaru Parts Join Date: Jan 2002 Location: Laguna Hills Trader Rating: (0) Posts: 333	,,, Last edited by Kaos22B; 07-10-2005 at 02:53 PM..

12-22-2004, 09:08 AM	#3 (permalink)
Chin 1.8L Car: 2000 Impreza 2.5RS - BRP My: Subaru Parts Join Date: Apr 2002 Location: Savage, Minnesota Trader Rating: (0) Posts: 32	Sorry to hijack, but it is related.... Does anyone have, or know where to get, a complete wiring diagram to complete the harness wiring? Thanks.

01-03-2005, 10:21 AM	#7 (permalink)
ilmaestro Premium Member Car: 98 RS - RIP My: Subaru Parts Join Date: Sep 2002 Location: Folsom, CA Trader Rating: (5) Posts: 563	Just wanted to throw this out there... I-speed has been working on a harness that will (I think) adapt your existing harness to an EJ20 ECU, so you don't have to rewire everything. There's a thread for it somewhere. I believe they've prototyped it, but aren't finished yet. j

01-20-2005, 01:44 AM	#8 (permalink)
erice1984 1.8L Car: Impreza RS-WRX Fav Mod: fast My: Subaru Parts Join Date: Oct 2002 Location: IL Trader Rating: (0) Posts: 8	i have the service manuals for the 02 wrx in pdf, gimme a holler and ill see what i can do.

07-10-2005, 01:00 PM	#9 (permalink)
gc8wild 2.0L Car: 01' Impreza 2.5Rs My: Subaru Parts Join Date: Dec 2003 Location: Texas Trader Rating: (0) Posts: 60	if you need a wiring diagram check www.rallitek.net they have a few diagrams.

07-11-2005, 08:06 AM	#10 (permalink)
Chin 1.8L Car: 2000 Impreza 2.5RS - BRP My: Subaru Parts Join Date: Apr 2002 Location: Savage, Minnesota Trader Rating: (0) Posts: 32	Thanks! __________________ Christian 04 WRB STi 00 BRP 2.5RS - AutoX/Track Car

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