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Old 05-02-2014, 02:32 PM   #1
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Need help identifing eng bay plugs

Failed smog due to unplugged wires in engine bay, I attached some pics need help finding what they go to. its a 4 cylinder. I imagine one or two might go to the ac compressor if it had one.





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Old 05-02-2014, 03:26 PM   #2
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I've got some of the same things like a random fuel injector plug near the heater core.

So I'm right there with you

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Old 05-02-2014, 03:42 PM   #3
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What year, and what are the wire colors?
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Old 05-02-2014, 03:56 PM   #4
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Yep, should be ac wiring.
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Old 05-02-2014, 07:37 PM   #5
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First pic looks like plug for underhood light.
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Old 05-02-2014, 07:44 PM   #6
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Quote:
Originally Posted by Joegsx View Post
I imagine one or two might go to the ac compressor if it had one.
Does your AC panel show that you had AC, and maybe the compressor was removed? The plug does look similar to the one used for the OPS unit too.
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Old 05-03-2014, 12:26 AM   #7
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Thanks for the great replies guys. Its a 1997. No factory ac ever installed as far as I can tell (no switches on inside). Not sure what the OPS unit is. Wire colors for the plugs are as follows:
Solid black wire/red wire with white stripe
green wire/blue wire with orange stripe
blue wire with white stripe/blue wire with orange stripe
One of the plugs is a single blue wire
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Old 05-03-2014, 09:26 PM   #8
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Can anyone Id the plugs.
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Old 05-03-2014, 10:28 PM   #9
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Quote:
Originally Posted by Joegsx View Post
Can anyone Id the plugs.
I'll take a shot...

The one with the blue with white tracer and blue with orange tracer is for the A/C low pressure switch for Jeeps equipped with A/C.

The one with the Green and the blue with orange tracer is for the A/C high pressure switch for Jeeps equipped with A/C.

If the single blue wire is "light blue" it is for fog lights when equipped.

The only red with white tracer wire used has to do with the ASD relay, fuse and pcm, and without that, you wouldn't be going anywhere. If it could be a pink with white tracer and a black, it would be for the under hood light if equipped.

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