Johnson Pump Bilge Pump Switch. 24V. 3-way auto/on/off. A switch panel that gives you full control over your equipment. Just push the button for manual or automatic bilge pumping. The automatic feature operates in combination with the automatic bilge switches or the electronic float switch. The three-position switch panel in matte black finish has an integrated fuse holder and operating light. Fuses not included. 2.99" x 2.17" x 1.57".