Proton Wira Wiring Diagram _top_ -

| 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 |

For a deep dive into the , the most comprehensive resource is the WIRA Electrical Manual for 4G1X and 9X proton wira wiring diagram

We cut the bad section. I stripped fresh wire, my fingers cramping. We soldered in a new bridge, following the faded lines on the diagram—the only map through this electrical jungle. | Symptom | Likely wire color | Test

: Look for standard symbols representing the battery, relays, fuses, and switches. : Look for standard symbols representing the battery,

Here are the five critical sections of the Wira harness you must master.