wiring 4 wire o2

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Old May 11, 2006 | 02:25 AM
  #1  
redflaredb1690's Avatar
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From: reading, pa, us
Default wiring 4 wire o2

i have 90 crx si. im converting it to obd 1.. i have every thing yo do the coversion..now im not sure wht the green the 2 blacks and the one wire go my pigtail harness has the wires ran for me and labled but im not sure wich wire is what on the o2 can some one help mee..
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Old May 11, 2006 | 03:00 PM
  #2  
sauceja's Avatar
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From: Land of Entrapment
Default Re: wiring 4 wire o2 (redflaredb1690)

Yes I am about to run into this as well.
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Old May 11, 2006 | 03:28 PM
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tek_civic's Avatar
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Default Re: wiring 4 wire o2 (sauceja)

did it not come with instructions?

im a little confused with your setup. what conversion harness are you using?

if its a rywire then here are the wires you need.

brown wire goes to black wire on o2 sensor

purple wire goes to green wire on o2 sensor

yellow wire goes to white wire on o2 sensor

grey wire goes to white wire on o2 sensor
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Old May 11, 2006 | 03:42 PM
  #4  
dr_latino999's Avatar
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Default Re: wiring 4 wire o2 (tek_civic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tek_civic &raquo;</TD></TR><TR><TD CLASS="quote">did it not come with instructions?</TD></TR></TABLE> Some of us do it the old fashioned way, cut one, cut two, cut three...
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Old May 11, 2006 | 04:06 PM
  #5  
tek_civic's Avatar
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Default

haha when my old civic ate the o2 sensor wire(melted on DP). i just guessed at the wires till i got it right, since the wires were already custom off colored. never doing that again
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Old May 11, 2006 | 06:22 PM
  #6  
Rywire's Avatar
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From: San Jose/ Monterey, ca, usa
Default Re: wiring 4 wire o2 (tek_civic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tek_civic &raquo;</TD></TR><TR><TD CLASS="quote">did it not come with instructions?

im a little confused with your setup. what conversion harness are you using?

if its a rywire then here are the wires you need.

brown wire goes to black wire on o2 sensor

purple wire goes to green wire on o2 sensor

yellow wire goes to white wire on o2 sensor

grey wire goes to white wire on o2 sensor</TD></TR></TABLE>

no, ours go

brown wire goes to black wire on o2 sensor

purple wire goes to green wire on o2 sensor

yellow wire goes to black wire on o2 sensor

grey wire goes to white wire on o2 sensor

But I think it was a typo
Ryan
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Old May 12, 2006 | 01:56 AM
  #7  
redflaredb1690's Avatar
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From: reading, pa, us
Default Re: wiring 4 wire o2 (tek_civic)

yes the harness came with directions butt i need to now what the 4 wires are on the o2 it self that would be the green the white and the 2 black wires .. its a stock o2 never cut... i have a vtecfrog con harness
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