The genuine Western 49664 Kit serves as a core electrical foundation for the 3-port, 3-plug lighting system. This comprehensive system kit is engineered to provide precise signal routing and voltage management between your truck’s electrical network and your plow’s headlight assemblies. Consequently, utilizing this authentic factory-spec kit ensures that your plow lights switch seamlessly between high and low beams without triggering computer errors or headlight flickering.
This 49664 system package is a vital upgrade or replacement for legacy plow setups. Because it contains pre-tested electrical components, it guarantees a professional-grade installation. Furthermore, the weather-sealed architecture protects the internal circuitry against moisture, salt spray, and extreme sub-zero vibrations, ensuring peak operational performance during the toughest winter storms.
Our warehouse supplies this kit fully ready for shop integration. By relying on genuine Western replacement parts, you ensure that your lighting system maintains the strict electrical impedance and signal integrity required by modern vehicle architectures.
Benefits of the Western 49664 System Kit
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Engineered as a genuine OEM 3-port, 3-plug isolation system solution for compatible Western snow plows.
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Provides reliable switching logic to manage high/low beams and parking/turn signals cleanly.
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Includes key system components to ensure a complete, factory-standard overhaul.
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Weather-sealed design actively resists corrosive road salt, slush, and heavy winter debris.
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Simple integration with your existing plow-side and truck-side electrical looms.
Additional Info and Common Related Parts
| Part Number | Item Name | Technical Role |
| 26357 | 11-Pin Truck Harness | Primary truck-side lighting harness that integrates with the isolation module. |
| 29070-1 | 3-Port Isolation Module | The core electronic switching unit often paired with this system kit. |
| 49326 | Dielectric Grease | Recommended for sealing all electrical connections to prevent future terminal corrosion. |
| 61548K | Plug Cover Kit | Essential for protecting open truck-side terminals from ice and debris. |
Always refer to your Western Plow’s service documentation and vehicle-specific wiring guides to confirm exact compatibility and proper installation procedures.
Included in this essential kit are: the 22511K – Positive Battery Lead for direct power connection to your battery; the 56131K-2 – Motor Relay Kit to manage power to the hydraulic pump motor; the heavy-duty 63411 – Vehicle Battery Cable for transmitting ample power; the 26345 – Vehicle Control Harness which provides the main 3-plug connection point; and the 29047 – Adapter for specialized vehicle interfacing
As described
Easy Installation
Solid service, tracking number right away, no snags. great job.