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Old 06-29-2020, 11:19 AM   #1
Brand: Thor Motor Coach
State: Massachusetts
Posts: 41
THOR #11935
Miramar 35.2 water pump no power

2016 Miramar 35.2 all of a sudden the water pump stopped working the fuse is good there’s no light on the display switch I hook power up to the pump and it works

jplacz2000 is offline   Reply With Quote
Old 06-29-2020, 11:27 AM   #2
Senior Member
Brand: Thor Motor Coach
Model: Miramar 34.2
State: New York
Posts: 425
THOR #3584
I have the 2016 34.2 we had a similar issue where the fuse was good, the pump was getting electric but a circuit breaker was tripped.
suenmike is offline   Reply With Quote
Old 06-29-2020, 01:41 PM   #3
Senior Member
Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 1,382
THOR #2631
I don't know your coach specifics, but if the water pump fuse is good and you have proven the pump motor is good, it is possible that you have a pump control relay that is not working, or simply a bad connection somewhere in the control wiring for the pump. If equipped with a control relay (which I would bet), the trick will be finding it. In my 2013 ACE for example, the water pump control relay is located under the bed. So basically when you turn on the pump switch it operates the pump control relay and power is fed to the pump motor. This allows the use of a cheap switch to power a higher amperage pump motor. It could also be the pump switch or a loose wire on that too.
javelin is offline   Reply With Quote

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