Hey to tdp new to the forum thing so bear with me had some question to my cold starting in the moring so i pull one of my glow plugs out to see witch number I have thinking maby a 7 or 12g and I have a ac plug but it has nothing matching the normal list I have ac delco 0 100 271 107 10.5v 843 under the threads of my glow plug anybody have a brake down for this ? Thanks