sbhtennis - that switch on my 2016 powered the auxiliary fan behind the white plastic grill next to the cabin door. The purpose of this fan is to provide more air movement in the cabinet the frig sits. Mine did not go on when the frig ran - you had to manually hit the switch. See Noisy Norcold for pics and more info.
2016 Outback 320 with a 2010 Ford Expedition, 2024 Ford F150 Supercrew short bed.
@sbhtennis, Tabaz is correct. When we turn on the fridge, we also manually hit the button for the auxiliary fan. Perhaps a newer T@B doesn't need or has a fan which comes on automatically, ours was built in January of 2015.
John, Judi, Guinness & OD in PDX T@Bit@t 2015 S Max Outback, ‘18 V6 4Runner
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T@Bit@t 2015 S Max Outback, ‘18 V6 4Runner
2024 Ford F150 Supercrew short bed.
T@Bit@t 2015 S Max Outback, ‘18 V6 4Runner
http://tab-rv.vanillaforums.com/discussion/2635/noisy-norcold/p1