Aftermarket "chilton-style" manuals – they often reverse pinouts for the engine ECU.
| Abbr. | Color | Typical Use | |-------|-------------------|------------------------------| | B | Black | Ground | | W | White | Main power (battery+) | | R | Red | Ignition switched power | | B/W | Black with white | Ground through ECU/switch | | G | Green | Sensors / signals | | Y | Yellow | Lighting / accessories | | L | Blue | Other signals | | Br | Brown | Taillights / parking | | G/W | Green/white | Starter signal | proton wira wiring diagram
: Diagrams for power window motors, central locking, and wiper/washer systems. How to Use These Diagrams Identify the Engine Model How to Use These Diagrams Identify the Engine
: The fuel pump relay is typically located near the left side strut tower. To test the pump directly, technicians often bridge terminals 30 and 87 of the relay socket. The above information is a general guide; always
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.