hey guys another problem i can turn the key on some mornings and no glowplug light or lift pump running leave switch on for five or so min and the light will blink on and pump will run. turn key off then back on glowplug comes on lift pump runs truck starts sometimes runs perfect all day then sometimes it dont . the temp will come up approx 180 and it shuts off . turn key off and back on sometimes you have glow plug light and pump run and sometimes you have to leave the switch on approx 5 mins or so any ideas or answers greatly appreciated Beau

Probably should paste the checklist thread with your results.