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Old 10-27-2008, 10:10 AM   #1
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o2 harness

does anyone have a picture of where the o2 harness plugs into the factory harness on a 89 mustang. I dont have o2's in my car and I am looking for the harness and cannot find it. My car was a 87 but it has mass asi on it now. I think they changed the harness becasue the computer is out of a 89 with a 5 speed.

I am running a SCT chip and it is dyno tuned and had 1 o2 hooked up on a separate wire just for the tuning, The owner took the 02 out of it after it was tuned. I would like to find the o2 harness and put it back.

Any pictures would help.

o2less in Georgia!
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Old 10-27-2008, 12:22 PM   #2
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Re: o2 harness

here is a picture of a plug I found, can you tell me if this is the plug that the o2 harness plugs into?
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Old 10-27-2008, 03:19 PM   #3
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Re: o2 harness

does anyone have a harness they dont need?
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Old 10-27-2008, 04:28 PM   #4
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Re: o2 harness

that is the o2 harness plug i believe, if benjy chimes in he can confirm that.
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Old 10-27-2008, 06:43 PM   #5
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Re: o2 harness

yeah should be black in color.. keep in mind that they change the pins around from year to year so get the right one or else you'll be chasing neutral drive switch problems.
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