LT1-LT4 Modifications 1993-97 Gen II Small Block V8

can someone help wire issue

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Old 09-08-2013, 02:07 PM
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Default can someone help wire issue

So car has been running sluggish, backfiring, hard start at times. Brand new walboro pump, brand new manual FPR, new fuel filter, so figured it could be time for new opti. Have the water pump off, and while I was taking hoses off, I noticed underneath my car, passenger side, I had a wire disconnected. It is a black/white wire combo that plugs in underneath the battery. I know the PCM ground is black/white, so is injector #5. Anybody know what this wire is for? Could this have been my problem all along? don't really want to replace opti but will if I have to.
Old 09-08-2013, 02:36 PM
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get a schematic check out shoebox.com
Old 09-08-2013, 02:41 PM
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Might help if there was some info about what you are driving.
Old 09-08-2013, 03:37 PM
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sorry(: haha 94 firebird formula automatic
Old 09-08-2013, 10:28 PM
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anybody?
Old 09-08-2013, 10:47 PM
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It could be a wheel speed sensor connector. Can you post a picture of what it is?
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Old 09-08-2013, 11:08 PM
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One single wire? I don't know of anything that plugs in under the battery, but the horns and those wires are green.

The low coolant plug is the only other thing I can think of in the area by the battery. It has a yellow/black and a black wire in the plug.
Old 09-09-2013, 12:08 AM
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its a black/white combo, 2 wires. ill post pics tomoroow when its bright outside



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