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Old 08-12-2020, 09:02 PM   #1
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Brand: Thor Motor Coach
State: Pennsylvania
Posts: 2
THOR #20046
Fuse for water pump?????

I have a 2018 Thor Freedom Elite 24fe. It is similar to the other Thor Sprinter-based class C's. The floor of the RV got wet - not bad and I was able to mop up the water with a couple of towels. The next day I took out the cabinet drawers in the affected area and the floor below all the cabinets look dry. However, the water pump (behind a drawer under the cook top/microwave) doesn't turn on. As the pump itself is raised up about 3/4", the motor couldn't have gotten wet. I was thinking that maybe there is a fuse that got wet but I cannot locate it. There is a switch on the control panel for the pump and the red LED lights up when the switch is activated. Maybe there is a relay??? The Thor schematic for my unit does not show a fuse in the converter for the water pump. Does anyone know how power is supplied to the pump and the location of the fuse and/or relay? The water pump installation guide shows that a fuse is required. Note: I have never used the pump and the fresh water tank is dry. But, I assume that the pump should still turn on with the switch. The gas furnace is also in that area and it works fine.
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Old 08-13-2020, 06:16 PM   #2
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Brand: Thor Motor Coach
State: Missouri
Posts: 875
THOR #6903
Don't know a thing about your unit but most pumps have an inline fuse and many Thor units utilize a relay especially if you have more than one water pump switch

Use a 12v tester and see if you have voltage at the pump
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Old 08-13-2020, 08:03 PM   #3
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Brand: Keystone
Model: Sprinter
State: Florida
Posts: 1,144
THOR #15553
There is no relay unless you have 2 or more switches, The inline fuse will be very close to the pump.
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Old 08-13-2020, 08:16 PM   #4
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Brand: Thor Motor Coach
Model: 2018 24.1 AXISSIXxSIX
State: Arizona
Posts: 2,390
THOR #13932
A side note
Amazon sells little bladed circuit breakers which fit right in an automotive fuse holder.
While you're in there you might as well do a swap out.

I almost bought them to replace ALL of my fuses.
Then I decided this was fairly stupid and something so preemptive might require me to either cut the pill in half or take two.
I'll replace them as they blow, not before.
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