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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sun May 13, 2018 6:44 pm 
Second Gear
Joined: Sat Mar 22, 2014 3:10 am
Posts: 501
Thanks so much my friend!

So today I was messing around with some stuff and long story short I see that I can plug my EJ20k intake harness directly into my cars chassis harness:
Image

I was under the impression up until this point, after researching for forever, that that the K harness would not even plug into my cars chassis harness. Almost every plug on the K intake harness plugs into something, either on the car itself or on the manifold.

So my question is, how different could this Ej20k harness be in comparison to an EJ20g harness, which from research, should plug directly into my car and run an EJ20g by only adding a few things (COP conversion, Boost Control Solenoid, map sensors)

Here are some plugs that I didnt immediately find a place for, and am going to check out on the wiring diagrams I have, but just in case anyone recognizes them and wants to tell me :)

Image Image

Image Image

Image Image

Also, what is this:
Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Mon May 21, 2018 6:08 pm 
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Joe,

For the intake wiring harness, the pins like the injectors and TPS are probably the same. You would need to look at the wiring diagrams and make a pin out list for each connector and then compare the two. If there are pins that are different you could then repin/swap them around.

For any additional wiring I would recommend just running new wiring to those specific sensors back to the ECU. I think that would be the better route.

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surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

If you need to get a hold of me please email me rather then pm


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Mon May 21, 2018 6:20 pm 
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Check out my comments in red for wiring connectors. The ones I didn't label I'm not 100% sure and would need to look at engine bay to confirm.



Sublimejoe wrote:

Here are some plugs that I didnt immediately find a place for, and am going to check out on the wiring diagrams I have, but just in case anyone recognizes them and wants to tell me :)

MAF sensor plug & Auto trans dropping resistor
Image


Image


Crank & Cam sensor plugs, Knock sensor plug, & Coil pack plug
Image


MAF sensor plug
Image



Image


This looks like the third plug for the intake manifold wiring harness. If it is, those should all be ground pins
Image


Also, what is this:

Pretty sure that is the pressure exchange solenoid used to switch the MAP sensor between manifold and atmospheric pressure. But it looks different then the one on the US first gen Legacies.
Image

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surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

If you need to get a hold of me please email me rather then pm


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Thu Aug 30, 2018 1:30 am 
Second Gear
Joined: Sat Mar 22, 2014 3:10 am
Posts: 501
Thanks, Josh! I just sent you an email.

For everyone else, I am finally getting back to work on this car. Here is a list I put together on what I need, what I need to do, and what im missing. If anyone cares to have a look, or happens to have any of the things I need.

https://paper.dropbox.com/doc/RHD-Legac ... Y7zgz4iD9M


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sun Sep 02, 2018 3:02 am 
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Joined: Sat Mar 22, 2014 3:10 am
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I worked on some stuff today. Extended wires for the Boost Control Solenoid and Pressure Control Solenoid. Cleaned up the harness I made for the coil on plug conversion as well.

Image

Ive been looking through schematics for hours and I cant figure out where to find info regarding which wire on each sensor is signal and which is ground. Anyone care to help? Also, do I need to run the ground wire to the ECU as well, or just the signal wire?


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Mon Sep 03, 2018 3:04 am 
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Location: Dirt Roads, Colorado
Signal wire to ECU, each coil ground can be sent right to the bolt mounting the coil to the head.

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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Mon Sep 03, 2018 5:05 pm 
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Joined: Sat Mar 22, 2014 3:10 am
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dankberries wrote:
Signal wire to ECU, each coil ground can be sent right to the bolt mounting the coil to the head.


What about the other sensors, like the BCS for example? I know the signal wire goes to Pin F47.3 on the ECU, but what about the ground? Should I just splice into the ground from another sensor?

Also, is there an easier way to figure out which wire is signal & which is ground? Other than trying to find the schematics and finding out that way.


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Tue Sep 04, 2018 6:29 pm 
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Joe,

The schematics in 2-7 will typically show you what you need. For example the MAF diagram in section 2-7 shows you exactly what is needed.

https://main.experiencetherave.com/suba ... sting1.jpg

The ECU almost always "sinks" current vs. supplying it. So on those solenoids you would hook up an ignition switched +12 source to one side of the wiring and the other would go to the ECU. Take a look at page 221 of 336 in the service manual and see if that makes sense.

http://www.main.experiencetherave.com/s ... and_Elect/

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surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

If you need to get a hold of me please email me rather then pm


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Tue Sep 04, 2018 7:33 pm 
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Joined: Sat Mar 22, 2014 3:10 am
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Legacy777 wrote:
Joe,

The schematics in 2-7 will typically show you what you need. For example the MAF diagram in section 2-7 shows you exactly what is needed.

https://main.experiencetherave.com/suba ... sting1.jpg

The ECU almost always "sinks" current vs. supplying it. So on those solenoids you would hook up an ignition switched +12 source to one side of the wiring and the other would go to the ECU. Take a look at page 221 of 336 in the service manual and see if that makes sense.

http://www.main.experiencetherave.com/s ... and_Elect/


Hey man thanks for the links. I have almost no idea what I am looking at.


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Wed Sep 05, 2018 5:27 pm 
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Take a look at it and send me an email.

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Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

If you need to get a hold of me please email me rather then pm


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Thu Sep 06, 2018 9:07 pm 
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Joined: Sat Mar 22, 2014 3:10 am
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Look what I got today my friends.

Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Sep 07, 2018 4:43 am 
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Joined: Thu Oct 27, 2011 5:09 am
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Location: Dirt Roads, Colorado
for the coil on plug wiring, 3 pin plug to coil,
pin 1 - Signal
pin 2 - Ground
pin 3 - Power

example picture from one of my built harnesses(showing the coil ground):

Image

_________________
93 impreza rally muffin
93 legacy ss Tarmac Terminator
89 Nissan 240sx sr20
90 Nissan 240sx 2jz
killajamal wrote:
Dank is actually German for "silly term which the kids have come up with to describe exceptionally choice marijuana.''


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Sep 07, 2018 9:10 pm 
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Joined: Sat Mar 22, 2014 3:10 am
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Sick! What did you source 12v power from?


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sat Sep 08, 2018 3:46 am 
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Location: Dirt Roads, Colorado
Sublimejoe wrote:
Sick! What did you source 12v power from?


The power can be sourced from the original coil pack(wasted spark) power wire. This can be branched to 4 individual wires leading to each new 4 individual coils(COP).

_________________
93 impreza rally muffin
93 legacy ss Tarmac Terminator
89 Nissan 240sx sr20
90 Nissan 240sx 2jz
killajamal wrote:
Dank is actually German for "silly term which the kids have come up with to describe exceptionally choice marijuana.''


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sat Sep 08, 2018 5:12 am 
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Joined: Sat Mar 22, 2014 3:10 am
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Harness completed for COP conversion. Still need to put ends on the ground wires, I didnt have the right size ones. Need
to grab a connector from something to attach those four power wires like my man dankberries said

Image

Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sat Sep 08, 2018 7:41 am 
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Joined: Thu May 03, 2012 6:24 am
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Location: Bonney Lake, WA
hell yea, nice work!!

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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sun Sep 09, 2018 12:29 am 
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Thank you Kindly! I just finished putting on connectors for ground, and ran all four power wires to the connector I cut off of the coil pack:

Image

Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Sun Sep 09, 2018 3:15 am 
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Also picked up my radiator, had the fan shroud cut and flush mounted to save a little space. Radiator is still too tall, oh well.

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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Sep 14, 2018 3:31 am 
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Joined: Sat Mar 22, 2014 3:10 am
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Found and purchased an ej20g intake manifold complete with harness.

Image

My friend got some film developed and shared these with me:

Image

Image

Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Sep 14, 2018 5:49 am 
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still waiting for us to be brother in laws.... hahahaha

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'91 Mica White SS - R.I.P.
'88 White RX Turbo sedan - SOLD
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'91 Black Camry Alltrac - R.I.P.
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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Sep 14, 2018 5:40 pm 
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ride_child wrote:
still waiting for us to be brother in laws.... hahahaha


I always wanted a brother ❤️


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Wed Oct 03, 2018 2:32 am 
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Joined: Sat Mar 22, 2014 3:10 am
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Ive been trying to get all the little stuff taken care of, using this piece of the manual as a reference:

Image
Image

According to the picture above the cooling fan plug should be F21 (circled in red,) but this looks like the correct plug and is located on the right side of the harness, which I circled in green.
Image

Image

I do not know where in the manual to find out which color wire is what. All I really know is I have two wires coming off my fans, and this connector has three.


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Fri Oct 05, 2018 2:25 am 
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Joined: Sat Mar 22, 2014 3:10 am
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I put this on the shock tower today. Going to run power to the sensors this weekend, then bundle up everything I need to run to the ecu... and run it there.

Image


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Tue Oct 09, 2018 6:03 pm 
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Sublimejoe wrote:
Ive been trying to get all the little stuff taken care of, using this piece of the manual as a reference:


I do not know where in the manual to find out which color wire is what. All I really know is I have two wires coming off my fans, and this connector has three.



Joe,

So this is a little bit of a nuance in the FSM....the is only one engine cooling fan and that's what's called out in the diagram. The other cooling fan is technically for the AC system. There is a jumper when tied together allows the fans to operate together rather then independently.

As for the wire colors I'd suggest checking the FSM in the AC section.

_________________
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

If you need to get a hold of me please email me rather then pm


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 Post subject: Re: Joe's 93 RHD Legacy Wagon Build
PostPosted: Tue Oct 09, 2018 11:36 pm 
Second Gear
Joined: Sat Mar 22, 2014 3:10 am
Posts: 501
Legacy777 wrote:
Sublimejoe wrote:
Ive been trying to get all the little stuff taken care of, using this piece of the manual as a reference:


I do not know where in the manual to find out which color wire is what. All I really know is I have two wires coming off my fans, and this connector has three.



Joe,

So this is a little bit of a nuance in the FSM....the is only one engine cooling fan and that's what's called out in the diagram. The other cooling fan is technically for the AC system. There is a jumper when tied together allows the fans to operate together rather then independently.

As for the wire colors I'd suggest checking the FSM in the AC section.



Ok, I think I may be getting the hang of this, correct me if Im wrong please.

Image

To hook up my fan I can use the B wire as ground, and the YR for power.


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