Where is the glow plug located on a 1985 Isuzu pup truck?

In a 1985 Isuzu Pup truck, the glow plug is typically located in the cylinder head of the diesel engine. Each glow plug screws into the head and is positioned near each cylinder to aid in starting the engine, especially in cold weather. Accessing the glow plugs usually requires removing any necessary engine covers or components that obstruct access to the cylinder head.