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Re: still having a problem with plug wires fire running up and down them
I had this sorta problem with my 97. I actually found a diagram that shows the correct routing for the plug wires. I had slight stumble/misfire at idle and even up to 1000 rpm on take off. I replaced plugs, wires, cap, rotor with ac delco and routed the wires specifically as shown in the diagram. I haven't had the misfire since. You might be able to contact you gm dealer and ask for the plug wire diagram. I'll see if I still have it in my files.
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