help ident glow plugs

[colorsink]

hi i installed a pushbutton for my glowplugs and would like help identifieng my plugs so i dont burn them out. the numbers on the glowplug is ac delco 0100 271 107 203 then 10.5v any help would be appreciated thanx

[Subzilla]

Keep looking. Somewhere you should see AC 9G (bad), AC 11G (OK) or AC 60G (Better).