| Wire Color | Function | | :--- | :--- | | | Ground (-) | | White | Main Beam Positive (+) | 3. Standard Wiring Diagram (Using Included Relay Harness) Roadshock light bars are typically sold with a pre-assembled relay wiring harness. The diagram below illustrates the correct flow.
For specific model variations (e.g., the 4" Cube lights), refer to the included manual – but the color code remains consistent across the Roadshock line as of 2020-2025 production. Roadshock Led Wiring Diagram
| Wire Color | Function | Connection Destination | | :--- | :--- | :--- | | | Ground (Chassis Negative) | Vehicle chassis or battery negative (-) terminal | | White | Main Beam Positive (+12V) | Relay output terminal #87 (high current) | | Yellow | Backlight / DRL Positive (+12V) | Relay output terminal #87a OR switched accessory fuse | Note: Do not connect both White and Yellow to the same +12V source simultaneously unless the harness is rated for combined amperage. The backlight (Yellow) draws significantly less current than the main beam. 2.2 2-Wire System (Single-Function) Found on older Roadshock pods or basic 4" lights. | Wire Color | Function | | :---