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Old 05-31-2016, 01:45 AM   #1
chrisagu28
Scooby Newbie
 
Member#: 263220
Join Date: Nov 2010
Chapter/Region: NWIC
Location: Bremerton, Washington
Vehicle:
2005 Wrx / Sti conv.
2014 XV Crosstrek

Default Legacy to Outback wiring help

Hey everybody. so I have searched the internet for many days, looked at the service manual and even the been to the junk yard various times to figure it out.

I have a 1997 awd 2.2 Brighton legacy wagon. I am doing a power door and possibly 2.5 conversion while rebuilding the engine and I picked up a 1997 full interior outback harness and everything was going great until I got to the fuel tank plugs. My car has two white plugs and the outback harness and one black plug like so.



So I looked in the service manual and it says the two plug design is for the 2.2 awd only, so I found a 97 2.2 legacy L in the junk yard with the same single black plug and every other legacy has the black plug. There is no info on the service manual for the black plug.

I would just swap fuel tank harnesses (since i have the outback fuel tank harness too) but it appears the emissions from the 2.2 to 2.5 (black plug) is very different. so what I am asking is. Does anybody have info on why mine is different, what cars actually came with the two white plug design with power options, or what I can do to get around this issue besides swapping the tank and entire emissions system? Thanks everybody!
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Old 06-29-2016, 09:22 AM   #2
Trikester
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Member#: 424209
Join Date: Jun 2015
Default wiring issue

I've never run into this exact problem before, but think of it this way. Your fuel pump has only three needed wires, a positive power source for the pump, a fuel level wire which measures resistance to tell your gauge what fuel level you have, and a ground, usually provided by the metal of the fuel tank itself. So really only two wires.
If I were you, I'd try hooking up the two wires you had already, and if you get fuel, and your gauge works, you're done. Hope this helps-Trikester
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