Re-created the diagram for my Velona 60 conversion setup
GARAJ CB400 NC31 (PB1) RE-HARNESS PLAN
MAIN SYSTEMS
✓ Starting System
✓ Ignition System
✓ Charging System
✓ Lighting System
✓ Safety Sensors
✓ Daytona Velona 60 Speedometer
✓ Daytona Velona 60 Tachometer
REMOVED
✗ Stock Speedometer
✗ Stock Tachometer
✗ Fuel Gauge
✗ Gauge Illumination
✗ Speed Warning Lamp
✗ Stock Speed Sensor
POWER BUS
Black/Brown (+12V Switched)
Feeds:
* CDI
* Ignition Coils
* Daytona Speedo
* Daytona Tacho
* Daytona Pulse Converter
* Lighting
* Horn
GROUND BUS
Green Ground
Returns:
* CDI
* Ignition Coils
* Daytona Gauges
* Pulse Converter
* Lighting
* Sensors
DAYTONA SPEEDO
Red → Black/Brown (+12V)
Black → Green (Ground)
White → Pulse Converter Yellow
Blue → High Beam
Gray → Turn Signal
Brown → Neutral
Purple → Oil Pressure Warning
DAYTONA TACHO
Red → Black/Brown (+12V)
Black → Green (Ground)
White → Yellow/Green (Tach Signal)
PULSE CONVERTER
Red → Black/Brown (+12V)
Black → Green (Ground)
Yellow → Speedo White
12-PIN FRONT CONNECTOR
1 Black/Brown (+12V)
2 Green (Ground)
3 Yellow/Green (Tach)
4 Light Green/Red (Neutral)
5 Sky Blue (High Beam)
6 Orange (Turn Signal)
7 Blue/Red (Oil Pressure)
8 Green/Blue (Water Temp)
9 Side Stand
10 Speed Signal
11 Orange/Blue (Limiter Test)
12 Spare
NOTES
* Use 14 AWG for main power and ground buses.
* Keep CDI, Regulator/Rectifier and Starter Relay connectors OEM.
* Retain side stand safety function.
* Leave Orange/Blue accessible for future limiter testing.
* Design harness in separate sections for easier servicing.
GOAL
Cleaner wiring.
Reliable electrical system.
Easy front-end removal.
Future expansion ready.
Built Different.
DIY Proj #1: Reharnessing CB400SF into a minimal digital gauge setup using Daytona Velona 60