| Color Code | Meaning | Typical Circuit | | :--- | :--- | :--- | | | Black | Permanent Ground (Chassis) | | R | Red | Permanent Battery +12V (Unfused or Main Fuse) | | B/Y | Black with Yellow stripe | Ignition-switched +12V (Run & Start) | | B/W | Black with White stripe | Ignition-switched +12V (Accessory & Run) | | W | White | Alternator output / Charging circuit | | G | Green | Tail lights, License plate lights | | G/W | Green with White stripe | Right turn signal / Brake switch output | | L/R | Blue with Red stripe | Headlight (Low beam) | | L/W | Blue with White stripe | Headlight (High beam) |

Save a PDF of the diagram on your phone, print a copy for your garage, and take 15 minutes to study the specific circuit for your Wira’s engine and year. You will save hundreds in mechanic fees and keep this iconic 90s sedan running on the road. Always disconnect the vehicle's negative battery terminal before probing connectors or repairing wires. The above information is a general guide; always confirm wire colors and pinouts using the specific wiring diagram for your Proton Wira’s model year and engine code.

The Proton Wira (also known as the Mitsubishi Lancer in international markets) is a staple of Malaysian and Southeast Asian roads. Renowned for its durability and affordability, the Wira—produced from 1993 to 2009—has a complex electrical system that often baffles owners. Whether your headlights are flickering, your fuel pump isn’t priming, or your power windows have died, you need one tool above all others: the Proton Wira wiring diagram .