The genuine Western 29050 Headlight Harness Kit connects your truck-side factory lighting right to the central isolation module. This vehicle-specific adapter kit handles electrical switching signals on trucks equipped with standard HB-5 or HB-1 dual or quad halogen headlamps. Consequently, it allows your front lights to toggle cleanly between your vehicle headlamps and the plow light towers upon attachment. Installing an authentic factory wiring setup directly prevents dashboard signal conflicts. Additionally, it protects sensitive truck circuits from unexpected shorts or electrical feedback.
This complete vehicle-side layout packages the 28930 headlight-specific configuration alongside a primary 26357 11-pin control interface wire. Because this setup utilizes a plug-and-play layout, technicians can complete installations without cutting wires under the hood. Furthermore, the robust weather-sealed inline plugs guard exposed copper terminal pins from road moisture and winter salt spray. Therefore, your front lighting setup remains completely reliable throughout long, continuous commercial clearing shifts.
Benefits of the Western 29050 Harness Kit
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Engineered as a vehicle-specific direct fit for trucks utilizing HB-5 or HB-1 headlight bulb configurations.
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Works seamlessly with standard truck-side 3-port isolation modules and multiplex control platforms.
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True plug-and-play assembly preserves your factory truck warranty by eliminating raw wire splicing or hacking.
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Dual-purpose package includes the specialized 28930 light adapter and the heavy-duty 26357 11-pin grille wire.
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Robust terminal casing withstands continuous sub-zero vibrations and severe winter road chemical environments.
Additional Info and Common Related Parts
| Part Number | Item Name | Technical Role |
| 29070-1 | 3-Port Isolation Module | Manages the automatic electrical current routing between the vehicle and plow light towers. |
| 29047 | 3-Port Adapter Harness | Adapts specific lighting connections to integrate with early generation 3-plug plow blocks. |
| 49326 | Dielectric Grease | Seals and shields multi-pin electrical harness plugs from corrosive chemical liquid spray. |
| 61548k | Plug Cover Kit | Protects electrical grille connectors from winter road salt when the blade is unhooked. |
Always refer to your Western Plow’s documentation and vehicle-specific installation instructions to confirm compatibility and proper installation procedures.
This specific kit includes the following essential components for a streamlined installation on the vehicle side:
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Part # 28930 Plug-In Harness HB-5 & HB-1: This harness provides the necessary connections for vehicles equipped with HB-5 and HB-1 headlight bulb configurations, ensuring proper integration of the plow’s headlights with the vehicle’s lighting system. The plug-in design simplifies the connection process for these specific headlight types.
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Part # 26357 Vehicle Lighting Harness – 11-Pin: This 11-pin harness serves as a central interface for various lighting and control signals between the vehicle and the snow plow. It facilitates the operation of turn signals, parking lights, and other essential lighting functions of the plow through the 3-Port Isolation Module.
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Part # 22381 Battery Adapters, Side Terminal: These adapters are designed to provide a secure and reliable power connection to your vehicle’s battery using a side terminal configuration. This ensures the plow’s electrical system, including the 3-Port Isolation Module, receives the necessary power for its operation.




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