Wiring on Thetford toilet flush

Apr 23, 2024
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Thats the thetford C250 toilet board , as you can just see the red wire is a the LHS , and the flush switch centre
 

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Jun 6, 2006
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The flush plug should go on the rhs.

To test it see if you have 12v+ on the red and the first black wire. When the pump plug is connected check the voltage on the blue/brown wires when the switch is pressed
 

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