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GP-PSK-90/GP-PSK-130/GP-PSK-200/Duralite/ Portable Solar Kits/ Solar on the Side Port/ Polarity 

If your RV is pre‑wired with a solar on the side wall port, it’s important to confirm polarity before connecting a portable solar kit. For Go Power! kits such as the GP‑PSK‑90, GP‑PSK‑130, GP‑PSK‑200, and Duralite, the wiring is standardized:

  • Pin = Positive (+)

  • Socket = Negative (–)

If your RV is pre-wired for solar with a side wall port, the pin is positive and the socket is negative. Always check polarity to ensure safe operation. Reversing connections can cause charging issues, damage to your controller, or battery faults. Use a multimeter to verify before plugging in, and make sure your adapters (SAE to Anderson, if required) are properly aligned.

Correct polarity ensures your portable solar kit delivers maximum efficiency and protects your RV’s electrical system.