07-11-2021, 06:13 PM
Rick, In your picture of the thermostat area, the tank temp sensor is in the upper left hand corner with one, looks like, yellow wire. Follow that wire out of that area to see where it goes.
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area