09 prostar with ISX randomly shutting down

[snailexpress]

(02-10-2017 )09pornstar Wrote:  So just an update...i changed that selenoid and now im on the side of I80 between Wendover and SLC.. its still doing it.. same faults on the screen low coolant, abs and electrical fault. At this point i'm at a loss for words

Find someone with Insite and check for POWER LOST WITH IGNITION ON in fault codes.
definitely power supply problem.