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. 3:37. iWire's Subaru Wiring Harness Installation Video Guide, You asked so we delivered. Over the years people have tried various ways to do it which we will explain in more detail below. Simply plug the harness back in and all of the body functions will work just they as did before the swap. This method ends up being more time consuming, unreliable, and will most likely create more problems than solve. 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. You'll send us the body wiring harnesses from your car and the car that matches the engine you plan to use. In this video we cover the engine bay plugs. Likes Received: 0 Trophy Points: 0. How much wiring from a wrx do I need? Wiring harnesses in a Subaru are a bit different than other car manufacturers. 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. Perfect fit high quality product easy installation im loving this wire harness for my Subaru Wrx thanks again Grimm speed . The rule of thumb is the harness in the car must match the dash going in the car. 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. 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. 3 … In addition, the wiring requirements can change between car models and years so there may not be the right type of wire (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. Learn the basics of how to install your Subaru wiring harness from iWire. What Do I Need to Send For My Swap? 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). Brian's Adventures 12,706 views. - 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? Note: This would also include patch harnesses because the same problems of wire types and quantity of wires needed are not solved with this. 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. Hella horns wire harness Subaru wrx. Subaru Forester (SF) EJ25 Engine Swap - Duration: 3:37. 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. While we don’t recommend going this route as it tends to be more work with a lower quality outcome than a harness merge, it is doable and does get the car running. If you are doing your own DIY swap you can purchase replacement parts here - https://www.iwireservices.com/online-store, Part 1 - laying out your harness and engine bay plugs, Part 2.5 - running the front harness through the fender, Part 3 - wiring in your fuel pump controller. This means that we are not modifying any of the critical and easily damaged wiring for sensors like crank and cam position. This is the message I got from them (they seem to be an excellent company to do business with!). 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. jakeachy, Jan 28, 2008 #1. Below is our Video Install Guide on how to install your Subaru wiring harness (wiring loom) in your Subaru. iWire is here to simplify your Subaru powered project, big or small. NA to turbo) into a Subaru chassis, the Engine Control Unit (ECU) also needs to be swapped in to get the engine running correctly. shielded wire), right gauge of wire (e.g. WRX uses a 3 wire IACV while RS uses a 6 wire IACV). Unlike Toyota or Honda, the wiring from the ECU to the engine in a Subaru is not a separate harness. iWire is here to simplify your Subaru powered project, big or small. iWire products are proudly Made in America. Instead it is integrated with the body wiring in one large harness. How about a DIY 2.0 WRX or 2.0 JDM STi powered Sandrail, Bug, Vanagon, or Porsche? 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). This Harness Made the Install a Breeze. If you are doing your own DIY swap you can purchase replacement parts here - A note (fine...a lecture) about DIY harness merges. Click here to read our full write up on the pros and cons of doing a dash swap. Come join the discussion about performance, modifications, troubleshooting, turbo upgrades, maintenance, and more! Subaru Harness Merging "Subaru made it bolt right up, iWire makes it plug right in." 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