1.test the glow plug if it does not go orange either replace or charge your igniter
2.when i broke my one in i poured in a few drips of fuel in the carby
3.make sure your priming it right
the other day i charged a batch of a-a bats. put one in the igniter, put a glow plug in so i could seet it. it was dimm. tryed a different a-a it was ok. so now i check the bat to see gets the glow plug bright enough. before i use them