Loss of power to coach waterpump

556mike · 07-07-2019, 12:35 AM

Haven't been able to find the fuse box or fuse for the water pump which lost power instantly on the last trip. The water pump is not marked on the interior (AC/DC) fuse list. Is there another fuse box in a Thor Citation 24??

Ford1 · 07-07-2019, 04:53 AM

I don't have the same unit but most coaches have a Battery Control Center which is a black box that is usually mounted near the coach batteries. Inside the box are another group of fuses, one of which may be for the water pump.

Boerne RV · 07-07-2019, 06:50 AM

Could be a fuse inline near the pump.
Have power at the switch? Switch work? Power making it to the pump?
Once I had power leaving the switch not making it to the pump. There was an inline fuse in the wall a foot or so from the switch.
Water pump is easy to replace. And an upgrade will go right in place of the original. Fuse likely going to be the problem. Good luck

Mr Sunshine · 07-08-2019, 12:28 AM

Could even be a loose wire to the pump. While you are in there, look for a small water filter near the pump and clean it out.

Elite Washington · 07-08-2019, 02:16 AM

When our water pump stopped working it was actually a relay that was next to the pump. Just a cheap fix that just about any auto parts store carries.

Ford1 · 07-11-2019, 02:24 PM

556mike - Did you ever resolve your pump issue? What was determined to be the problem?
Thanks.

556mike · 07-11-2019, 04:58 PM

I thought I had posted this earlier. Thanks to all who commented. Checking fuses and looking for loose wires is the extent of my electrical problem solving: I hired an moonlighting rv tech. He checked and confirm all fuses ok; didn't think there were any other fuse boxes. Checked water pump ok just lacking power. Concluded power wire to Monitor Panel for pump broke somewhere along the way. However there were other power wires at Monitor panel, and patching from one (to coach sidelight) to pump switch would and did solve the basic problem. Alternative solution would be to take everything in the way of the defective power wire out and find where the wire broke (I suppose that could also be the in-line fuse location). Moral question: is it worth the cost?? So far, no.
Thanks again.
556mike

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