boost heater

epssty

2005 2500 sprinter
the boost hearter runs all the time

it did not run yesterday when it was above 40

now it is 29 and it runs nonstop

i have hit the switch on the dash to turn it off but it does stop and i have hit the reset and it does not stop

does anyone know why

i pullied the number 3 fuse to see if that would stop it and it did not


thanks
 

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