If the engine on your Ford 6.0L Powerstroke is having difficulty starting, miss firing, idling rough, hesitating, or producing lots of white smoke until the engine warms a bad glow plug harness is likely the cause. Replace your truck's faulty harness with a new one and restore the proper connection to the glowplugs. This kit includes both harness for the right and left banks of your Powerstroke 6.0 engine and the special tool required to access the glow plug connectors.