While colors can fade over time, these are the standard Proton/Mitsubishi color conventions: Ground (Earth) White: Main Power (Hot at all times) Black/White Stripe: Ignition Trigger Red/Blue: Instrument illumination Green/White: Brake light circuit 3. Key Component Locations
Many Wira owners install a relay harness to fix dim lights. The stock wiring diagram shows that headlight power passes directly through the ignition switch, causing voltage drop. A relay harness pulls power directly from the battery. proton wira wiring diagram