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![Okay, wiring a 3-prong 12V illuminated rocker switch is a common task. These switches typically have: Power In (Supply/Line): Where 12V+ from your battery/power source connects. Load Out (Accessory): Where 12V+ goes to the device you want to control (light, fan, etc.). Ground (Negative): For the switch's internal LED illuminator. Common Pin Identification (Always verify if possible!): Brass/Gold Pin: Often the Ground terminal. Silver Pins (x2): One is Power In, the other is Load Out. The middle silver pin is frequently the Power In. The silver pin furthest from the Ground pin (or closest to where the "ON" position rocks down) is often the Load Out. Here's the typical wiring diagram: +-----------------------+ | 12V Power Source | | (Battery / Power Supply)| +----------+------------+ | (+) | [FUSE]](https://www.cweup.com/wp-content/uploads/2025/05/How-to-wire-a-3-prong-12v-Illuminated-rocker-switch.jpg)
