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The Jeep Grand Cherokee was redesigned for the 1999 model year; the 2000 models have minimal changes. This model is also known as Jeep WJ.

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What is the plug that comes out at my ignition?

There is a plug that comes up by my ignition switch and is unplugged. I bought the Jeep used and it has been this way the whole time I have owned the vehicle and it runs pretty rough, should this be plugged in and if so where?

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1 Answer

If its a plug that may have had a switch on the end at some point from a previous owner they only way it would affect the running is if it was for fuel cut off or one of these switches which cause you’re exhaust to backfire and “shoot flames” or in anyway follows back to the ignition or fuel system. I’m guessing you mean near the key barrel ignition, if it is unplugged and isn't touching anything or shorting against anything then it wouldn’t cause a vehicle to run rough, is there any lights on the dash? does the plug have power to it if you use a multimeter?

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