The B1249 Code is an error code of an engine and by this code, it is very cool to detect the problem. When you spot critical damage, it is necessary to replace. Else, if it is just a stuff of filth build up or simply clean these mechanisms or dirty plugs. If your supports are scrambled, stop arcing and hurt produced by friction by using a spark plug wire loom or divider on your car. It essentially arranges your wires and proposal better insulation. In short, it saves your wires prepared, making it easier to admission your spark plug wires for review and/or connection.