I just bought a Trail Lite B+ 211s with 8.1 Chevy engine. This is my fifth motorhome (others range from an old 20' Vagabond, and three Winnegagos, from 19 to 32'. This vehicle is fantastic. I am...
dancefan, your problem sounds electronic, especially with the security light. When my chevy blazer had problems starting ( turned out to be the fuel pump ) one of the scenarios was the security system not allowing it to start. Try searching chevy express 5.7 intermittent starting and you'll probably get some hits.