Proton Wira Wiring Diagram ^hot^

To fix oxidized connectors, especially on older units.

Proton uses a standard letter-based code for wire identification in its diagrams: Black (usually ground) W: White R: Red L: Light Blue Y: Yellow G: Green proton wira wiring diagram

| Symptom | Likely wire color | Test point | | :--- | :--- | :--- | | No crank | Yellow (starter trigger) | Ignition switch pin ST | | No fuel pump prime | Black/Red (FP relay control) | ECU pin 14 (MMC) | | No injector pulse | Yellow/Black or Yellow/Red | ECU pins 23/24 | | No headlights | Red/Yellow or Red/Black | Combination switch connector | | No taillights | Red/Green (tail relay) | Fuse #10 (10A) | | Intermittent wipers | Blue/Red (12V) + Blue/White (speed) | Wiper motor connector | To fix oxidized connectors, especially on older units

: Covers the Engine Control Unit (ECU) pinouts for fuel injection, ignition timing, and sensor inputs like the oxygen sensor and air-fuel system. Power Distribution To fix oxidized connectors