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Re: Warren’s Conversion - Wiring Harness
Grey/white is lighting I think. You need ign on (fuse it), battery (post from alt) fuse it, start signal (ign switch to ECU to starter solenoid circuit), CEL, coolant temp, oil pressure , tach (all thru round connector or run another wire).
Alt connects to post in black box and to starter lug. Alt light connects to blue in black box. Alt sense wire connects to battery post on alt, battery post on starter or all the way to + post on battery if you want.?
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I think you have a 2003 2.5 NA ECU,harness and intake manifold with a swapped 2.0 (JDM?) block if it is stamped EJ20 on the block. Both the 2.5 and 2.0 ECUs look to be 4 connector and interchangeable. If you are looking to get engine parts in the future, the intake and up parts and sensors would be for the 2.5 NA.? I wonder what plugs and gap it's running. Only the 2.0 Turbo was WRX.
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Re: Warren’s Conversion - Wiring Harness
I’ve used the Smallcar diagram and Tom Shiels pages. ?I’ve identified the Ignition On and Alternator Lamp wires, I think. ?However, what is the gray wire?
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Warren
89 Westy?
88 Tintop
70 Westy
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Warren’s Conversion - Wiring Harness
So I finally got the wiring harness through the firewall and I’m about to embark on connecting it to the main harness. ?I think once the engine is installed it will be easy enough to know what plugs where, but my immediate challenge is figuring out exactly how to connect the harness to the black box in the engine bay. ?I’m still trying to figure out what to remove and what to leave behind. ?My harness was done by AV Subaru Conversions so I know the alternator-to-starter-to-black box harness was to be removed and not used, so that’s been removed.
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The first thing I did was bundle the harness up out of the way while I figure it out. ?
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This is where I’m a bit confused. ?It can’t be all that bad since there aren’t really that many wires. ?There are two large round plugs and I think one goes to the tail lights, so the other round plug likely plugs into the round plug on the harness. ?I will follow the Smallcar installation guide and see how that works out.
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If you would be willing to share some of your knowledge or experience with this part of the conversion, please do chime in!?
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Warren
89 Westy?
88 Tintop
70 Westy
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I did a lookup on your vin and your ecu number. Here’s the info that came back…..
This part fits 2003 Subaru Impreza or Impreza WRX?(VIN:?JF1GD67583H503164)S - SEDAN; 251 - 4 Cyl 2.5L SOHC EMPI NA; 4W - FULLTIME 4WD; AT - AUTOMATIC TR
Here’s the site that I found the information on: | |
Best,
Brent
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On Apr 4, 2025, at 7:42?AM, wallaces_21 via groups.io <grandfatherjim@...> wrote:
It's 22611-AJ020...
Does that last part imply it is indeed intended for an EJ20?
The original vehicle serial number is written on by hand; it is JF1GD67583H503164 and then also written there is 2003 Imp. RS.25 Aut.
When I look that up on line it says it's a 2.5.
I'm in Canada.?
On Thu, Apr 3, 2025, 11:50 p.m. Kevin via groups.io <91XR7@...> wrote:
What would the PN be on the ECU itself (22611-xxxxx kind of number)
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Also what market are you in? different markets have different ways of doing thing. Plus i've seen Subaru ECUs listed for both the 2.0 and 2.5L (mostly non-north American markets)?
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And i'm with Wayne, someone may of used a EJ20 JDM long block as a replacement since they usually are pretty cheap (and low mileage).? the ECU may not be fully happy (at the edge of adaptation limits) but will work either way
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It's 22611-AJ020... Does that last part imply it is indeed intended for an EJ20? The original vehicle serial number is written on by hand; it is JF1GD67583H503164 and then also written there is 2003 Imp. RS.25 Aut. When I look that up on line it says it's a 2.5. I'm in Canada.?
What would the PN be on the ECU itself (22611-xxxxx kind of number)
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Also what market are you in? different markets have different ways of doing thing. Plus i've seen Subaru ECUs listed for both the 2.0 and 2.5L (mostly non-north American markets)?
?
And i'm with Wayne, someone may of used a EJ20 JDM long block as a replacement since they usually are pretty cheap (and low mileage).? the ECU may not be fully happy (at the edge of adaptation limits) but will work either way
?
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What would the PN be on the ECU itself (22611-xxxxx kind of number)
?
Also what market are you in? different markets have different ways of doing thing. Plus i've seen Subaru ECUs listed for both the 2.0 and 2.5L (mostly non-north American markets)?
?
And i'm with Wayne, someone may of used a EJ20 JDM long block as a replacement since they usually are pretty cheap (and low mileage).? the ECU may not be fully happy (at the edge of adaptation limits) but will work either way
?
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If no codes, I would roll with it.
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Warren
89 Westy?
88 Tintop
70 Westy
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Re: Warren’s Conversion - Engine Bay
Last night I wrestled with the wiring harness trying to get through the small existing hole through which the original VW harness passed through the firewall. ?After several hours, I took a break for the night. ?Then again today I tried, only to give up with half the wiring through the hole. ?After some work I was able to extract the harness and resorted to plan B, which in hindsight should have been plan A. ?I used my multi-tool with a fresh Milwaukee metal blade and within minutes I had a nice roomy rectangular opening for the harness. ?After a bit of grinding to smooth the sharp edges and rolling two layers of Kilmat around the opening, I slipped the wiring harness right through. ?Then, I proceeded to create (an as yet unfinished) cover for the opening.
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Before it’s finished I will mount the ECU and seal the opening tightly. ?The foam is closed-cell so it should be weatherproof. ?I will also use some aluminum tape on the reverse side of the firewall and that ought to take care of it. ?I have not mounted the computer just yet as it is recommended that all the wires be connected in the engine bay before doing so. ?
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Onward!
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Warren
89 Westy?
88 Tintop
70 Westy
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Even better if you’re out that way. ?No shipping, no tax.?
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Warren
89 Westy?
88 Tintop
70 Westy
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What's wrong with it? Codes?
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I want to get in touch with the guy who did the conversion to discuss; hopefully he can shed some light on it if he remembers or kept records but we don’t speak each other’s language so it needs to be when I have a bilingual person handy.? I expect to cross paths in June but meanwhile, how different might a 2.5 and a 2.0 ECU be? Like would it be “works not too bad, let’s roll with it” or more like “not a chance, this ECU must be reprogrammed”? To
Maybe? non-turbo ECU and intake for the 2003 2.5, with a swapped JDM 2.0 short/long block?
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A couple hundred for shipping (and sales tax if your delivery state charges days tax).
I bought my here a few years ago and picked up while in a road trip to OR, no tax no shipping.
Andy Vanis?
505-304-5306 USA and WhatsApp
Subarupartsdeal.com
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Warren
89 Westy?
88 Tintop  70 Westy
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Subarupartsdeal.com
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Warren
89 Westy?
88 Tintop  70 Westy
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I have a 09 2.5 w 80K miles with COMPLETE SC Vanagon installation--motor mount, wiring all tagged, intake--bolt in. New heads, T Belt, SS head gaskets with ARP studs, etc. It was removed from my van in favor of an upgrade. Located in CA.
If anyone interested, please contact
On Thu, Apr 3, 2025 at 8:55?AM James Neumeister via <boletivore= [email protected]> wrote: Do you have a recommended seller??
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Do you have a recommended seller??
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Maybe? non-turbo ECU and intake for the 2003 2.5, with a swapped JDM 2.0 short/long block?
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New 2.5 shortblock is like $2k.? Buy it in OR, no sales tax.? Plug and play.
Andy Vanis?
505-304-5306 USA and WhatsApp
On Wed, Apr 2, 2025, 10:44?PM James Neumeister via <boletivore= [email protected]> wrote: [Edited Message Follows]
I live in the PNW and I’m hunting for a motor to replace the 2002 SOHC in my Vanagon. Anyone have one that is a good runner that they’d like to sell??
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I do not have a turbo. When I looked up the ECU number it indicated it's for a 2.5 but I may have misquoted the year in my original post.? (I got the filter sorted; I've ordered a Baldwin B1400 which crosses to the 15208AA100 Subaru number.)
WRX's of those years (till 2005??) where EJ20(5?)'s, the STIs of 2004 on where of the EJ257
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Also i believe there is only one filter fro all EJ motors to the most part (Naturally aspirated or Turbo-charged)
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So you have a turbo motor in your Van?
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Brent Weide