i have a 1995 chevy silverado, the spark plug wire arks right a the tip of the spark plug wire on the head changed 3 sets of wires did a complete tune-up still having a problem

i have a 1995 chevy silverado, the spark plug wire arks right a the tip of the spark plug wire on the head changed 3 sets of wires did a complete tune-up still having a problem


the wires need to be the correct resistance....it is very possible that these wires are not the same resistance as the original...do you have original????if not get a set....and be ready to fork out a lot of cash....