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Old 05-19-2003, 04:11 PM   #1
serious
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Default wrx dash in a legacy?

Just wondering if anyone has done this? I'm considering this for the sake of making my wrx engine swap a little less painless for the wirering.
Anyone know if the wrx guage cluster will fit in the 96 legacy dash?
Thanks
Brent
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Old 05-19-2003, 06:31 PM   #2
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My guess would be no, it won't fit. IIRC, the shape of the gauge cluster is all wrong. I don't have a Legacy, though, so I'm not positive.

- Trent
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Old 10-07-2008, 08:48 PM   #3
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What about the whole GD dash into a BD (1997) Legacy?
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Old 10-07-2008, 09:33 PM   #4
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Ive seen a WRX(02+) dash in a First Gen legacy (90-94) So why cant it be done in newer?
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Old 10-08-2008, 01:03 AM   #5
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you would probably have to buy the WRX dash itself like the black thing that sits over it and probably some other pieces as well to make it fit or hack the hell out of the legacy dash... i mean anything can be done, just depends on how bad you want it
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Old 10-08-2008, 01:19 AM   #6
RallyLegacy
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I want to do a swap into my Legacy as cheaply as possibly (time and parts). I have been told it would be easier to just get the dash/cluster/hvac controls from the donor car so that there would be as little harness splicing and merging as possible. I haven't looked at how much dashes go for so I don't know if that is true.

Next question, would a JDM wiring harness/ecu work with a USDM dash if the wires that had to be lengthened were? I know that there are small differences between the two, but does anyone know of any major issues with doing something like that?
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Old 10-08-2008, 02:05 AM   #7
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what kind of swap were you thinking of... and yes having all that stuff makes everything alot easier.


search dummies guide to an STI swap
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Old 10-08-2008, 02:26 AM   #8
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I know I have lots more searching to do to answer most of my questions, but I can only learn so much a day...

I am looking to do a JDM EJ205 out of a GD WRX mainly so I can get more power than the USDM counterpart for less money (at least for the engine/turbo/ecu/wiring harness). I need to keep the swap on a budget though, so I think my options are:

-JDM EJ205 and paying someone to do the wiring or doing it myself if I can find all the info I need
-JDM EJ205 with a USDM WRX dash if the HVAC/cluster/ and whatever else are compatible so that it will be more "plug and play" than all custom wiring
-USDM EJ205/55 with or without dash and the ability to find wiring diagrams easier and probably being able to do everything wiring wise myself

whichever will be cheaper will probably be the path I take. I need to look for JDM wiring diagrams to see if I can find all the info I need, because if so I will do the JDM EJ205 without dash. If I can't find the wiring diagrams I will have to see how much money I have to work with and go from there.

Suggestions are always welcomed
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Old 10-08-2008, 10:32 AM   #9
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Quote:
Originally Posted by RallyLegacy View Post
I want to do a swap into my Legacy as cheaply as possibly (time and parts). I have been told it would be easier to just get the dash/cluster/hvac controls from the donor car so that there would be as little harness splicing and merging as possible. I haven't looked at how much dashes go for so I don't know if that is true.
This is so not true. You still need to merge in the door functions, the lights, the interior lights and a lot of other items that you'll discover later when they don't work. On top of that making the WRX dash fit in a Legacy is NOT easy at all. A lot of fabrication is required in that the dash bar and HVAC components are totally different between the two. You'll need to punch holes in the firewall and do other fancy stuff that will require a welder and metal working skills. Doing a WRX swap is doable on a budget but not the route that you want to take.

Quote:
Originally Posted by RallyLegacy View Post
Next question, would a JDM wiring harness/ecu work with a USDM dash if the wires that had to be lengthened were? I know that there are small differences between the two, but does anyone know of any major issues with doing something like that?
Not really, entirely too much work to make it work.

Z
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Old 10-08-2008, 03:12 PM   #10
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Need The Support Bar Behind Dash To Work
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Old 10-08-2008, 11:07 PM   #11
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Quote:
Originally Posted by Zephyr View Post
This is so not true. You still need to merge in the door functions, the lights, the interior lights and a lot of other items that you'll discover later when they don't work. On top of that making the WRX dash fit in a Legacy is NOT easy at all. A lot of fabrication is required in that the dash bar and HVAC components are totally different between the two. You'll need to punch holes in the firewall and do other fancy stuff that will require a welder and metal working skills. Doing a WRX swap is doable on a budget but not the route that you want to take.

Z
I realized there would be a lot more stuff than just the stuff in the dash, but thanks for all the extra info. I didn't know how hard it would really be to get a WRX dash in a Legacy, but I was fearing it would be as hard as you say.

If that is not the best route, do you think getting a JDM EJ205 or a USDM EJ205/55 would be easier and cheaper? I have a source for the JDM longblock including turbo/intercooler along with the ECU and full wiring harness for about 2k. I have bought a transmission from them, and it was in great condition, so I am confident it what I would be getting. I haven't been able to find a source for a USDM engine, although I imagine the best route would probably end up being to browse the forum/ebay every day looking for one. The JDM one is guaranteed to work and is readily available, probably cheaper than a USDM one, and might have less miles on it.

The only issue I can see with the JDM engine is finding wiring diagrams that I can read, and also the extra work that might be involved moving the ECU from the left side of the car to the right side. If I can find a know commodity that will do the wiring for a cheap price, then I guess I won't have to worry about the wiring, but if not, I want to make it as foolproof as possible for myself.
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Old 10-09-2008, 02:28 AM   #12
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Basically if I get the new engine/wiring harness/ecu, swap ecu's, run all the wrx engine related wires to the new ecu, cut all the non engine related wires at the ecu plugs and splice all the existing legacy wires into the wrx plugs I should be set? I have read that abs modules seem to completely change the wiring from time to time and model to model, so I might have some issues with that, but what else might be and issue that I will either have to do without or get the wrx part for?

Also can all the wiring be done without taking the wiring harness out of the car or removing the dash? I know it might be easier to remove everything so you have more workspace, but I imagine the removal and re-assembly of the interior and wiring would take a lot more time than just doing it all in the car (assuming you can get to everything without removing anything).

Thanks
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Old 10-13-2008, 09:37 PM   #13
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Default put wrx dash in 1997 brighton

here is a pic of a wrx dash in a 1997 brighton. the door panels would need to be modified a little. Its a tight squeeze but heater and ac still work fine.

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Old 10-16-2008, 05:59 PM   #14
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Different chassis. Totally irrelevant to the question on the table.
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Old 10-16-2008, 07:33 PM   #15
Dan Cech
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You'll need to remove everything to do the wiring. The main harness runs behind the hvac so getting to it without removing the dash isn't going to happen. the dash comes out very quickly once you've done it a couple of times.

If you want to use the WRX cluster it can be made to fit in the Legacy dash, but it takes a lot of mods to the cluster, shroud/faceplate and dash:



In the Legacy the simplest is definitely going to be to do the minimum amount of wiring to make the WRX ecu work, and keep everything else from the Legacy.

If you want to swap the whole dash you'll need to perform major surgery on the firewall & dash beam to make everything fit, and you'll still have to merge the doors, roof, radiator/headlight and rear harnesses.

I've taken a 'middle ground' approach by using the Legacy dash and HVAC but converting almost everything else over to the WRX (abs, cruise, keyless, fuse/relay boxes, etc) all I have left that is original to the Legacy are the door, roof, radiator/headlight, steering column and rear harnesses, along with the HVAC system and harness. It's just as complicated as a full dash swap, but more on the wiring side and less on the fabrication side.

Was it worth it? Ask me when it's done.
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Old 10-16-2008, 09:49 PM   #16
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Yea after doing some more research, I think I am going to keep everything Legacy that I can (dash/hvac/cruise/ect) to keep fab work and headaches to a minimum. I want to minimize parts I have to buy since I am also on a budget. I don't really care about minimizing the wiring since worst case I can just send it off to someone I have contacted to do all the wiring merges.

Dan Cech - I will be very interested to see how your swap turns out since we have similar cars and it sounds like we will be doing similar swaps. As far as fuel pumps go, is it the best and easiest option to just get a stock wrx fuel pump, or just go for an aftermarket one? Also as far as exhaust, what are you planning on using and what mods will you have to do to it (if you are getting a wrx exhaust)?

Thanks
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Old 10-17-2008, 07:49 AM   #17
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Not sure that the swaps will be 'similar', aside from the recipient! I'm using the WRX abs, cruise, keyless, cluster, etc, etc, etc.

Are you planning to swap just the motor or the complete drivetrain? I didn't look too deeply into it as I'm using everything from the WRX but the WRX axles may not work with the legacy abs tone rings.

For the WRX ecu to be happy you'll most likely need to swap in the WRX fuel tank and evap box to have the proper sensors. You may be able to 'flash out' the codes and just use the Legacy setup, I haven't looked into that in any depth.

If you do swap the tank you'll need to either modify the wrx fuel filler neck or obtain a Legacy filler with the proper connections, I chose to modify the wrx filler but I believe a 99 legacy filler would work.

Regardless of whether you replace the tank, you can either use a stock WRX pump (at stock-ish power levels) or something like a walbro 255. I wouldn't trust the tired old legacy pump.

For exhaust I'm using wrx headers, up-pipe and downpipe, they will all bolt up without modification if you're using a wrx/sti crossmember (I'm using an 04 STi crossmember and steering rack). You can modify a WRX/STi axleback to fit the Legacy, but all 3 hangers will need to be re-welded.

For the midpipe you are going to have to be more creative. You should be able to lengthen a WRX midpipe, though you may have to re-weld the hanger on that too. I already had an STi midpipe modified to fit my NA setup so I will just be shortening that to mate up with the WRX downpipe.
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Old 01-05-2009, 01:14 AM   #18
EvenSteven
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Default the 2001 Legacy cluster will fit.

I know this post is really old. But i thought i would add some info because i have a 98 Legacy and i have tried diferent dashes. The 01 RS dash is smaller and would looks kind of stupid in the Legacy. I ended up putting in the dash from an 01' Legacy. It is a pretty tight fit but i got it to work. You have to shave off the side brackets, sort of shave off the top bracket, trim down the bottom brackets, cut holes in the back of the cluster support as it will stick out in a few places, and then finally you have to modify the bezel to fit the different slope of the 01 cluster.


I thought about trying the 2005 Legacy GT dash but that would just be too much drama for me. You would have to swap the steering column and all kinds of madness. I think i could have gotten that to work too though.

Last edited by EvenSteven; 01-05-2009 at 01:51 AM.
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Old 01-05-2009, 01:58 PM   #19
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the dash does work but you should mod up the doors cards too.....

this in my first swap








Last edited by StoryBookSin; 01-05-2009 at 02:03 PM.
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Old 06-11-2012, 07:46 PM   #20
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would an sti gage cluster work in an 02 legacy gt?
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Old 06-12-2012, 02:06 PM   #21
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With a fair amount of work you could make it happen. Lots of differences though.
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Old 06-13-2012, 06:53 PM   #22
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so it would fit probably but you mean different by the wiring?
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Old 06-13-2012, 08:00 PM   #23
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The wiring and fitment are both different. It would not fit either without modification. You would need wiring diagrams and i believe the Legacy cluster is quite a bit wider than the STI, so you would have a gap that you would have to do something with on either side of the cluster. The mounting points are probably different too but those should be easy enough to mod. In other words, it would take some time.
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Old 06-13-2012, 09:20 PM   #24
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well this sucks
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Old 06-13-2012, 11:03 PM   #25
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i can get you the wiring diagrams. But you will need the green connectors to swap the pins over to also. And yah, it would take time.
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