So a friend was helping me install a wide band controller and we spliced into the red wire with a green stripe that goes to the black connector next to the EEC. The car ran fine for a few days then started up rough one morning and I could almost immediately smell what I thought was wires frying. Car still runs, just runs rough, doesn't throw any codes. The wide band still has power through the wire. Did I connect to a wire I shouldn't have? If so what kind of damage could I have done? It's the wire in the picture with the electrical tape around it. Thanks for any help.
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