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Subject Topic: 1996 Thetford C2 toilet
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22/6/2023 at 5:43pm
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The flush on my 1996 Thetford C2 toilet has been working only intermittently for some time but now packed up completely. I,ve removed pump and checked supply cable from switch with multimeter which shows 12.5volts every time I push flush button. I’ve connected removed pump to battery charger and it runs fine. When I reconnect pump to cable from switch nothing happens and if I put multimeter to exposed connectors it reads zero volts!! Doesn’t make any sense to me! Any advice would be greatly appreciated.


22/6/2023 at 8:41pm
 Location: Near Alton Towers
 Outfit: Bailey+Burgundy+S7+H
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Hi and welcome to the forum. It sounds like you are on the right track, lack of power to the pump, and my guess is a bit of corrosion somewhere, the switch, wiring or connectors. If you can track them back, look very carefully for verdigris, that green oxide that forms with repeated signs of damp om copper.

Try bridging out bits of the the circuit with a piece of wire and see where it is working ok and where it fails. Remember, this could also be on the negative return side too, not just the positive feed, it needs a full circuit to work properly.

Dave.

-------------
Never argue with an idiot, they will drag you down to their level and beat you on experience.
Mark Twain.


22/6/2023 at 10:51pm
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Thanks for reply. I’ll keep trying.



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