Originally Posted by Pat Nelson
The Coachmen is a Ford V-10 450 gas engine. I just heard from the dealer who said it is. Likely a power relay or a power engine control module and they have ordered the relay for this unit. It supposedly will be here Tuesday. When questioned in more depth, they said that the power engine control module is more available but they think it is likely the relay which they have ordered.
So hope that helps you! (And I hope this works for us as well!). It was very scary, sitting out on the freeway.
The Ford Triton V-10 is 6.8 liters which equals 415 cubic inches. Does sound like an ECM failure; rare occurrence!