Re: 2002 F350 Super Duty 7.3L Power Stroke
So when you used ether it started and stayed running? If so it sure sounds like the glow plug system is not working. Like Widowson says you should hear it click, you should also notice the cab light dim when they click on. If it doesn't dim then they are probably not coming on. The glow plug relay is a common failure. Have you tried plugging it in to a wall outlet? Best to do some diagnostics, throwing parts at a Powerstroke gets expensive real quick.
One thing you do NOT want to do if the glow plugs ARE working is use ether. If that stuff lights off at the wrong time you can break stuff like pistons etc.
2002 F 350 4x4 CREW 164K, Isspro boost, tranny, pyro, FP, Hpo, coolant filter, Dieselsite tranny filter, AIS intake, ITP pre pump mod, 6.0 tranny cooler, AE & Torque Pro.