1999/2000/2001 RS Swap to WRX or STI (Help me add notes!) Without Swapping the Dash Later on down the road if a check engine light comes on it will be very difficult to determine if the cause is mechanical or electrical because of the concerns about the quality of wiring work. NA to turbo) into a Subaru chassis, the Engine Control Unit (ECU) also needs to be swapped in to get the engine running correctly. iWire's Subaru Wiring Harness Installation Video Guide, You asked so we delivered. Discussion in 'Modifications And Maintenance' started by jakeachy, Jan 28, 2008. When installing a different type of engine (e.g. In the video we use a 2000 RS with a 2003 WRX Swap which is an example for 1998-2001 Imprezas, 1998-2001 Foresters, and 2002-2005 WRX Subarus. Below is our Video Install Guide on how to install your Subaru wiring harness (wiring loom) in your Subaru. ECUs, with almost no exception, are not interchangeable if the model and year of the car do not match so the new ECU will need to be wired in one way or another. If the plan is to do only one of these, don't practice on your own car. M12 Hex Flange Bolt Wiring Harness x1 OF x1 L101SAN000 SUBARU OF AMERICA 3 1/28/2020 2 PAGE 25 NA - Exhast Gasket PART NUMBER ISSUE DATE Cable Tie Mount x1 x2 M Turbo - Exhaust Gasket x1 KIT CONTENTS: A C x1 D x14 E x2 H I x3 O Bumper Trim L Foam Tape K B x6 F Flat Washer x1 x1 RECEIVER PLUG G Cable Tie - 8" Cable Tie - 18" x2 x2 N J. Subaru Forester (SF) EJ25 Engine Swap - Duration: 3:37. Case by Case Option - Swapping the entire harness. NA to turbo) into a Subaru chassis, the Engine Control Unit (ECU) also needs to be swapped in to get the engine running correctly. Brian's Adventures 12,706 views. A note (fine...a lecture) about DIY harness merges. Come join the discussion about performance, modifications, troubleshooting, turbo upgrades, maintenance, and more! How much wiring from a wrx do I need? Compatible Engines:2002-2005 USDM WRX (EJ205 without AVCS)2001-2006 … These are simple circuits that are not nearly as sensitive to being cut and spliced back together. Whether it’s with iWire or another company, having someone who has successfully completed many merges before is the best way to ensure time is spent enjoying the car, not fixing it. WRX uses a 3 wire IACV while RS uses a 6 wire IACV). This is not ideal because now there are multiple places that could be wired incorrectly or fail over time. When installing a different type of engine (e.g. Offline jakeachy BANNED. 18 AWG vs 14 AWG), or the right number of wires (e.g. Ben 2nd Dec 2019. If you could only see the messes that have come through here and we've had to fix. Any non required features (typically other circuits which interfaced with the engine ECU in the Subaru) will be insulated and identified in the harness near the ECU, and hidden in the conduit, just in case they should ever be needed. In addition, the wiring requirements can change between car models and years so there may not be the right type of wire (e.g. - Subaru Impreza GC8 & RS Forum & Community: RS25.com Does my 2002 Forester have the same harness pin location as a 1999/2000/2001 RS or is it like a 1998 RS? Don't bother with stripping down an old harness, let us a give you a jump start with something brand new! I am starting to get a little confused. Can someone send me in the right direction for my harness merge? The other upside of the harness merge over the complete harness swap (with or without also swapping the dash) is that all of the basic functions of the chassis like doors, headlights, taillights, AC, etc all work just like they do from the factory. anyone know how to merge a harness? Planning on a USDM 2.0 WRX or 2.0 JDM AVCS Equipped WRX or STi engine swap? While many people have successfully done a wiring merge in their garage or shop we don’t recommend it. ... A forum community dedicated to Subaru Impreza GC8 and RS owners and enthusiasts. 3:37. Likes Received: 0 Trophy Points: 0. Over the years people have tried various ways to do it which we will explain in more detail below. All required Subaru harness features will be retained. 9:41 . At iWire we’ve done thousands of wiring projects which gives us the experience to know the nuances between each model and how to get things to fit as seamlessly as possible and work reliably. This method has been used by those who don't want to pull the dash. This is the message I got from them (they seem to be an excellent company to do business with!). You asked so we delivered. In the merge manual at northursalia.com the “CONNECT TO” part isn’t clear to me or I’m just over-thinking it but either way it’s annoying me. What we do splice are the wires that connect the ECU to engine wiring to the body for things like the check engine light, fuel level, power, ground, radiator fan triggers, etc. OF Phillips head screwdriver DATE device. iWire products are proudly Made in America. You'll send us the body wiring harnesses from your car and the car that matches the engine you plan to use. 2002 Forester S … Click here to read our full write up on the pros and cons of doing a dash swap. Schematics Diagram And Wiring Harness Subaru Impreza Electrical Schematics Diagram And Wiring Harness If you ally dependence such a referred subaru impreza electrical schematics diagram and wiring harness books that will offer you worth, get the unconditionally best seller from us currently from several preferred authors. BUSARU 16,924 views. In addition to our quality work that comes with a warranty, you get our customer service which our reviews can attest to is top notch. iWire is here to simplify your Subaru powered project, big or small. With Subaru, it’s all one harness so there is no way to unplug the section that needs to change. The point of a harness merge is to modify the parts of the original harness that no longer match for the new ECU and engine. jakeachy, Jan 28, 2008 #1. This Harness Made the Install a Breeze. This means that we are not modifying any of the critical and easily damaged wiring for sensors like crank and cam position. … Unlike Toyota or Honda, the wiring from the ECU to the engine in a Subaru is not a separate harness. Full Forum Listing . Also aside from everything under the wrx hood, what else do I need? I was glad that I listened to other reviews saying the harness was a must-have addition to the horns and bracket. This means the only option is to surgically remove the section of harness that is no longer needed and replace it with the ECU to engine section that matches the new parts which requires removing the dash and entire harness from the car (think service). The problem with this method is that now every wire going to the engine has been cut twice (once at the ECU and once at each plug going to the engine). How about a DIY 2.0 WRX or 2.0 JDM STi powered Sandrail, Bug, Vanagon, or Porsche? Hella horns wire harness Subaru wrx. Focus on the mechanical aspects and we'll take care of the wiring headaches for you. Generally this means not only putting in the entire harness from headlights to taillights that matches the new ECU and engine in the car, but also the dash that goes with it. anybody? In the video we use a 2000 RS with a 2003 WRX Swap which is an example for 1998-2001 Imprezas, 1998-2001 Foresters, and 2002-2005 WRX Subarus. I am retaining my original legacy transmission. Below is our Video Install Guide on how to install your Subaru wiring harness (wiring loom) in your Subaru. Wiring harnesses in a Subaru are a bit different than other car manufacturers. Outputs will be modified to interface with the VW instruments if required. Below is our Video Install Guide on how to install your Subaru wiring harness (wiring loom) in your Subaru. Simply plug the harness back in and all of the body functions will work just they as did before the swap. Likes Received: … You'll send us the body wiring harnesses from your car and the car that matches the engine you plan to use. If someone comes to us with two modified harness, most likely it will require replacing them both and replacements are are tougher to come by every day. 5 /5. It adds to the work because it means the ONLY thing that works is the engine and every single other system (including HVAC) would need to be wired in. Subaru Harness Merging "Subaru made it bolt right up, iWire makes it plug right in." Learn the basics of how to install your Subaru wiring harness from iWire. Perfect fit high quality product easy installation im loving this wire harness for my Subaru Wrx thanks again Grimm speed . Subaru Harness Pull - Wiring Harness Series - Duration: 9:41. shielded wire), right gauge of wire (e.g. With Honda and Toyota swaps, the original wiring from the ECU to the engine can be simply unplugged and replaced (think product) with a custom adapter. Another reason we wouldn’t recommend it is because we’ve had customers who have tried to do it themselves and end up getting stuck halfway due to lack of time, knowledge, money, a previous wiring error, or any combination of those issues. Offline curly2k3 Well-Known Member. The rule of thumb is the harness in the car must match the dash going in the car. 3 … Generally this means not only putting in the entire harness from headlights to taillights that matches the new ECU and engine in the car, but also the dash that goes with it. I'm doing a RS to WRX swap, and I would like to get the harness done by someone who knows how to merge it correctly. In this video we cover the engine bay plugs. Wiring harnesses in a Subaru are a bit different than other car manufacturers. If you are doing your own DIY swap you can purchase replacement parts here - Thanks! 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