Posted 3/13/2025 18:40 (#11145639 - in reply to #11145392) Subject: RE: Semi accessory?
NC Iowa
It's a diesel powered coolant heater, they were troublesome when they are new, id give it a .01% chance it would work without some maintenance.
Used a lot on buses where the engine can't meet the heating requirements of the big cabin. In a day can it may have been up north without the ability to plug in