Electrical Reference
KTM
Common wire colors, fuse box locations, and relay tap points for KTM motorcycles. Always verify with a multimeter before making connections.
Common Wire Colors
These are typical colors across recent KTM models. Colors can vary between model years — always verify with a multimeter.
| Color | Function |
|---|---|
| BN | Ground (chassis) |
| R | Battery positive |
| GN | Ignition accessory |
Fuse Box
Duke/RC: under the seat or behind the headlight mask. Adventure models: behind the side panel. Some models use mini blade fuses. Limited spare fuse slots on smaller bikes.
Relay Tap Points
- ✓Power: battery terminals with inline fuse — most accessible on Adventure models
- ✓Key switch: GN wire for switched 12V
- ✓Signal wires: verify per model — KTM wiring can be compact on Duke models
Notes
- •Duke 390 is a popular beginner bike with relatively straightforward wiring
- •Adventure models (390/790/1290) have excellent accessory support
- •Smaller KTMs have very compact wiring — plan routing carefully