02-09-2015, 02:11 PM
mine is on as well. from what i understand, it prevents the tranny from being locked out from going into drive if a few different things are happening. one i believe is if the level light is on. i am sure there are others.
tom
tom
2002 45'8" Newell Coach 608 Series 60 DDEC4/Allison World 6 Speed HD4000MH