Basic schematic for typical pool light wiring? | Trouble Aug 19, 2018I saw in the manual that the pool lights wiring runs through the GFI outlet on the side of the sub panel. I can't get it to test/reset. I chased the black wire from the GFI to the breaker, than back up to the relay. I get 120 up to the supply side of the relay, but no juice on the other. The wires do run to wiring 2-speed pump with T104 + T106 | Trouble Free PoolJun 18, 2019Pool light wiring issue | Trouble Free PoolJul 09, 2018pentair wiring diagram help? | Trouble Free PoolJun 03, 2017Pool and Spa Light WiringApr 06, 2017See more results Get 12v Pool Light Wiring Diagram Sample Assortment of 12v pool light wiring diagram. A wiring diagram is a streamlined standard photographic representation of an electric circuit. It reveals the components of the circuit as simplified forms, as well as the power as well as signal links between the devices.