Conversions, Transplants, & Swaps Anything from the EJ20 into an RS to port-a-potties into an STi. Anything about engine and tranny swapping.

does anyone have an EJ20h wiring diagram yet

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Old 07-27-2006, 10:49 PM
  #1  
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Join Date: Jul 2006
Location: Texas
Posts: 3
Car Info: legacy ej20h
does anyone have an EJ20h wiring diagram yet

I think even the Japanese version would help me a little. I have been
flying through my wiring harness and was just wondering. I have
downloaded a few that where real close but as everyone knows thats no
help. What I have been doing is keeping the wires together, untangling
and grouping them together. lots of cutting and re soldering. I
bypassed the large gray plug like everyone suggested and soldered the
wires together. When it comes down to the end I just know I will rely
on the diagram for a few unanswered wires. Such as the fuel pump relay
wires. I have noticed that alot of the turbo and even non turbo EJ20
wiring is very similar. I guess I should have done more research on
this engine BEFORE I bought it and not AFTER.

Also what are the chances that someone has some pictures of a few
items like:

The diode that everyone mentions
Fuel pump relay control
purge control solenoid valve
as well as the other solenoid valves


Thanks very much for any help
Shannon
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Old 10-26-2006, 07:17 PM
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Join Date: May 2006
Location: los gatos, ca
Posts: 10
Car Info: 1972 porsche 914
hey shannon I am in the same boat. I bought a 1994 JDM ej20H and cannot find a wiring diagram. I am about to scrap the whole project. If you have any luck please let me know.
thanks
matt
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Old 10-26-2006, 11:00 PM
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Join Date: Jul 2006
Location: Texas
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Car Info: legacy ej20h
ej20h wiring

I have been taking it one wire at a time. Thats all you can do. I have been comparing it to the TT diagram and just organizing the individual plugs. I just had a Baby Boy pop out of my wife a few months ago so I haven't touched it in a while. My harness is about 80% complete. Don't give up on it, just have a beer and take it slow and easy. It is very, very, very frustrating. Good luck, Shannon
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