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The ignition switch controls the distribution of electrical power from the battery to the vehicle’s starter motor, ignition system, and onboard electronics. By translating key rotation or button input into precise electrical activation, it initiates the entire engine start sequence and powers essential driving systems. Reliable ignition switch operation is fundamental for safe starting, stable electrical distribution, and coordinated system activation across the vehicle.
When the ignition switch begins to fail due to internal contact wear, corrosion, or mechanical fatigue, electrical power delivery becomes unstable. Symptoms include the engine not starting, intermittent power loss to dashboard systems, accessories shutting down unexpectedly, or the key becoming difficult to turn. In severe cases, the vehicle may stall while driving or fail to shut off properly, creating both safety risks and electrical system damage.
Porza supplies high-precision ignition switches engineered with reinforced internal contacts, smooth mechanical actuation, and OEM-calibrated electrical response. Each Porza unit is tested for long-cycle durability, vibration resistance, and stable current distribution. With Porza installed, reliable engine starting, electrical system integrity, and long-term operational safety are fully restored.