Anyone know where I can find a O2 sensor pigtail for the wiring harness side? - JeepForum.com
 
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post #1 of 10 Old 07-09-2008, 08:21 PM Thread Starter
Rafikie
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Anyone know where I can find a O2 sensor pigtail for the wiring harness side?

I may be able to patch mine up with epoxy, but if I can find a new one why not just change it. I've been looking around online for parts microfiche to try and locate the part but zero luck there too. Thanks in advance


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post #2 of 10 Old 07-09-2008, 08:24 PM
Jerry Bransford
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Patch it with epoxy? What's wrong with it? Are you talking about the wiring harness jack that the 02 sensor's plug seats into?

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post #3 of 10 Old 07-09-2008, 08:32 PM Thread Starter
Rafikie
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Originally Posted by Jerry Bransford View Post
Patch it with epoxy? What's wrong with it? Are you talking about the wiring harness jack that the 02 sensor's plug seats into?

When I pulled the transmission I unplugged the o2 sensor to make it a little easier to move the harness around, well the round cover that protects the 4 prongs fell off. I slid it back on after, but I'm just concerned about a future failure. Think it'll be fine with some epoxy though? It'll probably save me some coin which of course I'll just roll into some other part of the jeep Just for future info though. Do you know where I might be able to find odd items like that?

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post #4 of 10 Old 07-09-2008, 08:42 PM
Jerry Bransford
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A future plug failure would, at most, mean the 02 sensor is going to set a code and maybe make the engine run rich, nothing major. Based on that, I'd epoxy it or tape it up without a moment's hesitation. Just make sure all the electrical connector pins are seated solidly before you do that. I'd probably look in a junkyard for one if I really wanted a new 02 sensor jack.

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post #5 of 10 Old 07-10-2008, 06:09 AM
lloydsmale
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seal it with silicone

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post #6 of 10 Old 06-09-2015, 07:21 PM
Scotch740
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Bringing this back to the top because I am looking for the oxygen sensor plug/pigtail on the wiring harness side. It appears the previous owner cut the connector off for some reason. Any help is greatly appreciated.

This is for a 98 TJ.
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post #7 of 10 Old 06-09-2015, 07:41 PM
LJ Dave
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Quote:
Originally Posted by Scotch740
Bringing this back to the top because I am looking for the oxygen sensor plug/pigtail on the wiring harness side. It appears the previous owner cut the connector off for some reason. Any help is greatly appreciated. This is for a 98 TJ.
On my '05 4.0 liter there are 4 O2 sensors and on each one the connector is keyed with 3 unique slots on each connector so you can't install one in the wrong location. Just mentioning this so you get the right one.

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post #8 of 10 Old 06-11-2015, 04:13 PM
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Quote:
Originally Posted by LJ Dave View Post
On my '05 4.0 liter there are 4 O2 sensors and on each one the connector is keyed with 3 unique slots on each connector so you can't install one in the wrong location. Just mentioning this so you get the right one.
Earlier models have just one upstream and one downstream oxygen sensor. I need the pigtail for the upstream sensor located near the back of the manifold.
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post #9 of 10 Old 06-11-2015, 10:59 PM
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I found one at the junk yard and soldered the wires together, then heat shrink over it for my Dodge. You should be able to get odd parts like that off of other jeep models like the cherokee maybe.
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post #10 of 10 Old 06-12-2015, 10:51 AM
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It's very overpriced ($35 or so if I remember correctly), but Chrysler does sell a replacement pigtail for the harness side. When I first got my LJ my connectors were melted from contacting the header, so that's the route I went. Still had four wires to solder, so I should have just gone to the junkyard.

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