4wire 02 in crx im stumped

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Old Feb 18, 2009 | 03:29 PM
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EJ8CIVIC's Avatar
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From: greenville
Default 4wire 02 in crx im stumped

ok this is my crx...
d16y8 converted to obd1 w/p28

i got my 4wire 02 and how do i hook it up? because im running in limp or safe mode...
i know the single 1 wire for the 02 wont work duuh..

o and i dont got the female end of the 4wire from the engine harness..i think i need right?
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Old Feb 18, 2009 | 04:08 PM
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From: MD
Default Re: 4wire 02 in crx im stumped

2 wires on the sensor get grounded. one is for the air/fuel signal and the other is for the heater.
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Old Feb 18, 2009 | 05:20 PM
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From: greenville
Default Re: 4wire 02 in crx im stumped

ok so ground the 2 black wires and where can i find the air/fuel signal which wire..and im guessing hook the other to the thermostat? or where can the heater b found
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Old Feb 18, 2009 | 05:28 PM
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Default Re: 4wire 02 in crx im stumped

2 are heaters one signal wire one ground.you jumper harness instruction should tell you exactly what to do.if you dont have them go to their website.
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Old Feb 18, 2009 | 07:19 PM
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Default Re: 4wire 02 in crx im stumped

not trying to jack the op's thread, but my jumper harness only has two wires to hook up to the 02. and i cant get it to work, and i dont know what kind it is (i got it off craigslist).
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Old Feb 18, 2009 | 08:50 PM
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Default Re: 4wire 02 in crx im stumped

Kulangot you have any pics?
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Old Feb 18, 2009 | 08:51 PM
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Default Re: 4wire 02 in crx im stumped

Originally Posted by EJ8CIVIC
ok so ground the 2 black wires and where can i find the air/fuel signal which wire..and im guessing hook the other to the thermostat? or where can the heater b found

uh what? the other wire is for the o2 sensor heater signal
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