Thetford toilet won't flush.

[gdeal]

3 amp fuse is good. Everything else electrical works in camper. What else could it be?

[merczephyr]

Every spring I have to pull the pump out of the fresh tank, and spin the pump impeller with a nail/screw/awl. It seems the motor sticks, and needs a turn or two to break loose.

[bondebond]

Can you see the model number anywhere so we can get a better look at what you're dealing with?

[midnightsadie]

stuck button, or what ever activates the motor.