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Before you download the PDF, let's go over the basic architecture of the system. Proton used two primary configurations over the Wira’s lifespan:
Credit to original source – shared for educational purposes. pdf proton wira power window wiring diagram
| Function | Typical Color Code | Location | | :--- | :--- | :--- | | | Red / Red-Black | Main fuse box to master switch | | Accessory 12V+ | Yellow / Yellow-Black | Ignition switch feed | | Ground (Earth) | Black / Black-White | Door chassis bolt | | Motor Up Signal | Blue / Green | Switch to motor | | Motor Down Signal | Brown / White | Switch to motor | Before you download the PDF, let's go over
Disclaimer: This guide is for informational purposes. Wire colors and pin configurations vary by year (1993–2009) and trim level (GLi, SE, XLi). Always verify with a multimeter before cutting or splicing wires. Wire colors and pin configurations vary by year
Use the correct wiring diagram to trace voltage and ground.
: Before tearing down the door panel, locate the power window fuse in the internal fuse box (usually under the dashboard on the driver's side). Inspect the Master Switch