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[Mk2] [Turbo] What re these wires for?

 
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markstevieandmads




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1993 Toyota MR2 Mk2 Turbo Rev2

PostPosted: Fri Mar 31, 2017 7:34 pm    Post subject: [Mk2] [Turbo] What re these wires for? Reply with quote Reply with quote including images



As per pic really. I have one spade connector with blue wire, and 2 multiplugs.

Im sure the one with the brown wires went to a sensor in the old cat that was removed and replaced with a decat. I guess i can just leave this unplugged?

But im unsure of the other two.
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Bear87
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1992 Toyota MR2 Mk2 Turbo Rev2

PostPosted: Fri Mar 31, 2017 8:45 pm    Post subject: Reply with quote Reply with quote including images

The single spade connector is likely a lamda sensor if it's a rev1 or 2 as rev 3 onward were 4 wire (I may be corrected) only other plugs in that area are air con pump and intercooler fan.
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1992 Rev 2 Turbo Super Red
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markstevieandmads




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1993 Toyota MR2 Mk2 Turbo Rev2

PostPosted: Fri Mar 31, 2017 8:49 pm    Post subject: Reply with quote Reply with quote including images

The spare isnt the lamda as got a connector for that already. I wonder if its an earth for somewhere.
I think you maybe right in the intercooler fan and air con as ive temoved both of these so wont be needed now.
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Bear87
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1992 Toyota MR2 Mk2 Turbo Rev2

PostPosted: Fri Mar 31, 2017 8:53 pm    Post subject: Reply with quote Reply with quote including images

From factory you have a pre cat and post cat sensor both single wire. I don't know of a earth wire that runs into the factory loom but if your wiring is anything like mine then anything is possible [Brick wall]
I have my air con removed too and every time I see the plug hanging around it throws me!
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