How Do You Know Which Spark Plug Wire Goes Where. Perhaps the best way to tell if your spark plug wires need to be replaced is to test their resistance. You can test all you want but spark plug wires.
Simply unsnap disconnect the spark plug wire and you can now remove and inspect the lawnmower spark plug. Wires should test the same. When its time to tune up the engine or install a new plug the easiest way to buy the correct size is to take the old plug with you to.
If its way out replace the coil.
What spark plugs do you install. If your wires are easier to access you can tackle this chore yourself. Finding the Number One Step 1 Look on the distributor cap. Yep the middle one goes to the coil.
