05-29-2020, 08:57 AM
my guess on this is that it controls the fans on the heaters that are heated by engine coolant that are under your bed and in the water bay.
my 90 had something similar.
tom
my 90 had something similar.
tom
2014 Haulmark 40' Super C on Freightliner Cascadia ISX15 Easton 13 speed
Former Owner 1990 38' Newell Coach 236 8V92
Former Owner 1999 45'8" Newell Coach 526 Series 60
Former Owner 2002 45'8" Newell Coach 608 Series 60

