92 Help! O2 Sensor wiring ripped out - JeepForum.com
 
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post #1 of 3 Old 01-15-2016, 12:00 PM Thread Starter
ckevinjones
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1992 YJ Wrangler 
 
Join Date: Jan 2016
Location: Austin
Posts: 2
92 Help! O2 Sensor wiring ripped out

RE: 1992 Jeep Wrangler YJ 2.4L

I was off roading 2 weeks ago. When I returned home I found part of the wiring harness ripped off dangling underneath the YJ. It is to the O2 sensor. The jeep was still running fine for a few days, then it started misfiring running very rough and now will not start at all.

I am assuming that over a few days time the computer has the air fuel mixture wrong and/or timing off and therefore will not start. Do anyone think I am correct?

Now what I need help with is that I can not figure out where in the wiring harness the O2 sensor wires go. There are four wires all of which were ripped in same place, but are nowhere to be found.

I have pulled the plastic wire cover back in both directions, further than the ends of the wires should be, looking for the other end of wires, and have had no luck finding the other end.

Does anybody know in which direction the wires go. Or, where the wires attach? The dealership was no help.

Need to get back on the trails ASAP.

Thank you in advance.

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ripped out wiring.jpg   stripped wiring.jpg   wiring harness with plastic held back.jpg   Wiring harness.jpg  
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post #2 of 3 Old 01-16-2016, 03:53 AM
1949er
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1994 YJ Wrangler 
 
Join Date: Dec 2013
Location: auburn
Posts: 554
Not sure he 2.5 but on the 4.0 the O2 wires run the loom across top of the motor with the injector wiring , 4 wires as follows
dark green to the auto shut down
black to eng ground
grey to ecu.
brown /red trace (?) to ground
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post #3 of 3 Old 01-16-2016, 04:25 AM
1949er
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1994 YJ Wrangler 
 
Join Date: Dec 2013
Location: auburn
Posts: 554
From a 92 FSM
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help please , wiring diagram , wiring harness

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