The following schematic shows the 2004 Polaris Magnum 330 2×4 Electrical System, Taillight and Wiring Harness. 1 – Harness, Main 2 – Kit, Circuit Breaker, 20 amp 3 – Assembly, Taillight, 12V 4 – Lens, Taillight 5 – Screw, Taillight 6 – Bulb, Taillight