Forum Discussion
Old-Biscuit
Aug 04, 2015Explorer III
Top 3 highest mounted sensors are typically:
TOP----FULL
MID----2/3
LOW----1/3
Bottom sensor is ground for ALL 3 sensors.
Here is a typical tank monitoring system wiring with standard 'stud' sensors
![](http://www.modmyrv.com/wp-content/gallery/mod-67-image-gallery/holding-tank-monitor-system-old-school-installation-instructions.jpg[/img]<br><br><br>[img]http://www.rvprobes.com/i/Holding_Tank.jpg)
TOP----FULL
MID----2/3
LOW----1/3
Bottom sensor is ground for ALL 3 sensors.
Here is a typical tank monitoring system wiring with standard 'stud' sensors
![](http://www.modmyrv.com/wp-content/gallery/mod-67-image-gallery/holding-tank-monitor-system-old-school-installation-instructions.jpg[/img]<br><br><br>[img]http://www.rvprobes.com/i/Holding_Tank.jpg)
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