How do you replace glow plugs on 2005 6.0 diesel ford?

To replace the glow plugs on a 2005 6.0L Ford diesel, first ensure the engine is cool and disconnect the battery. Remove the engine cover and carefully detach the electrical connectors from the glow plugs. Using a deep socket or a glow plug socket, unscrew the old glow plugs and replace them with new ones, ensuring they are properly torqued to the manufacturer’s specifications. Reconnect the electrical connectors and the battery, then start the engine to confirm proper operation.