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| Have had pressure switches mounted to the inside ladder for years. 129 volt lights of different mounted on top of the bin that can be seen from the house as well as the dump. Top one is red, and placed such to come on when there is room for one more load. Pull up and if the top, red light is not on, proceed and dump.
Lights are color coded by depth. Easier to tell by color rather than position at a distance. | |
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