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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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10-06-2014, 06:19 PM | #1 |
Leaky Injector
Join Date: Mar 2012
Location: Winnipeg manitoba
Age: 30
Posts: 94
Trader Rating: (1)
Feedback Score: 1 reviews
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Question about O2 sensor pigtail wiring
Hey guys, so the clip for my oxygen sensor caught fire on the manifold at my last drift event.
I got a new oxygen sensor and a new pigtail today, so I went to go solder the pigtail in. But I have a question, there are 2 gold wires and one silver wire for the factory harness, which goes where on my new pigtail? http://imageshack.com/a/img673/5086/tYPsei.jpg You can see the 2 gold wires on the left and the silver one on the right, also one of the gold wires is thicker than the other one http://imageshack.com/a/img537/1802/Fxaaa5.jpg And this is the new pigtail, there is a black, white, and brown wire for it. So if anyone can guide me as to which wires go where I would appreciate it. The engine is an sr20 notchtop |
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10-07-2014, 04:38 PM | #2 |
Zilvia FREAK!
Join Date: Nov 2010
Location: arizona
Age: 33
Posts: 1,519
Trader Rating: (1)
Feedback Score: 1 reviews
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The function of the 3 wires are as follows: One wire is 12v heater, it's not really needed and provides 12v when the iginition is on.
The second wire is a signal and communicate with the Ecu. The third is a ground wire but I think that's just to complete the heater circuit so not as important either. Use a multi meter to figure out which one is the signal And wire it up
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