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Discussion Starter #1
Okay so I got my conversion harness in from Xenocron today. I am having a little trouble with the O2 sensor wiring due to the fact I have no clue what brand/Kind of O2 sensor I have. It was already in the car when I bought it. Does anyone Know how I can find out? Here is a pic



Also is there a knock sensor on a JDM D15b? I have two other wires on the back of the block I cant figure out. Here is a pic of that

Any help would be greatly appreciated THANX
 

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1988 Civic Hatch
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well those 2 wires go to the fan switch thats on the back of your old block. on this block, it has a plug in the hole. its what you see just left of the oil press. switch
 

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looks like a stock 4 wire O2 sensor
sensor ground
heater ground
12v +
sensor

not sure what color is what...
 

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Discussion Starter #5
looks like a stock 4 wire O2 sensor
sensor ground
heater ground
12v +
sensor

not sure what color is what...
Yea I figured that haha Just trying to figure out what color is what.
 

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Discussion Starter #7
Does it have a plug? if it does i can tell you what is what
No the sensor was already in the car when I bought it and the plug was hacked off. Is there anyway I can check it with a multimeter or something?
 

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Discussion Starter #13

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Discussion Starter #15
It's a bosch sensor. I'm looking for the same answer. Been seaching for the last hour for an answer. lol
How do you know that for sure? There are a lot of o2 sensors that look the same. Im just trying to figure out if there is a way you can use a mulitimeter or something to figure it out but it looks like that is a NO GO good luck let me know what ya find out
 

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Discussion Starter #16

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1991 Civic Hatch
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Sounds right, I came up with the same thing you did.

Original Honda Plug----Ecu pin/Function-------BoschO2------Xenocron harness

Orange/Black ---------Heater (ECU A6) -------White----------BROWN
Yellow/Black --------------12 Volt------------White----------YELLOW
Green/White --------------Ground ------------Grey-----------PURPLE
Grey(WHITE) ----------Signal (ECU D14) ------Black----------GREY
 

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Discussion Starter #19
I vote sticky
Yea thats the way I wired it I will let you guys know for sure when I get the motor in and running. Im still waiting on a couple parts so give me a little bit.
I ended up finding the diagram on google Google FTW
 
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