Suzuki Gn125 | Wiring Diagram

| Color | Function | | :--- | :--- | | | Constant 12V (Direct from battery, always hot) | | Orange | Switched 12V (Hot only when ignition key is ON) | | Black/White | Ground (Negative return path to battery) | | Green | Ground (Alternate chassis ground) | | Yellow | AC power from stator (for lights on some models) | | Blue/Yellow | Ignition timing trigger to CDI | | Black/Yellow | High voltage pulse from CDI to ignition coil | | Brown | Tail light and instrument panel power | | Light Green | Right turn signal | | Black | Left turn signal | | White/Blue | Headlight high/low beam |

The is more than a technical drawing; it is the key to keeping your motorcycle on the road for decades to come. Whether you are a commuter troubleshooting a flickering headlight or a builder crafting the perfect minimalist custom, understanding the flow of electricity through the Red, Orange, and Black/White wires will save you hours of frustration. suzuki gn125 wiring diagram

For a physical diagram, search "Suzuki GN125 wiring diagram PDF" – the factory service manual (part number 99500-42061-01E) has a full color fold-out schematic. | Color | Function | | :--- |

Unlike modern motorcycles with CAN-bus systems and complex ECUs, the GN125 uses a simple, 12-volt DC system. Simple, however, does not mean immune to errors. Here is why a wiring diagram is indispensable: Unlike modern motorcycles with CAN-bus systems and complex

Understanding the is the first step toward mastering DIY maintenance on this classic commuter. Whether you are troubleshooting a dead starter or installing custom indicators, knowing how the power flows from the battery to your spark plugs saves time and money. Core Electrical Components

When you cut wires, label them immediately with masking tape. The GN125 uses the same Green color for ground, but also uses Green for the neutral switch on some models. Do not cut the Green wire from the CDI.