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i looking to see where this plug goes and its purpose.it a 2000 3.9 just bought a month ago and running through it .so the plug runs from passanger side across the crossmember.it held down with tabs.then it runs up tran on driver side and splits in two.one is connected into tran but the other is rolled up .two wire plug
Pictures would help. If you dont have any cel's or strange behavior its a safe bet that its supposed to be unplugged. There is a lot of things that dont get plugged in on a truck depending on the options and model.