- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
Precise control over a truck’s lighting system is fundamental for safe operation during night drives and in low-visibility conditions. The SHACMAN Lighting Combination Switch with Automatic Low Beam Adjustment, bearing the genuine OEM part number DZ9L149584614, is an advanced dashboard control module that consolidates multiple lighting functions into a single, ergonomic stalk. This essential component allows the driver to seamlessly operate headlights, high beams, turn signals, and fog lights while incorporating an intelligent feature for automatic beam leveling. Sourcing this sophisticated part from our comprehensive inventory of Shacman truck parts ensures you receive a component built to exact factory specifications.
The DZ9L149584614 is engineered for reliability and intuitive use, featuring durable contacts, clear tactile feedback, and a design that integrates perfectly with the SHACMAN steering column. By automating the low beam adjustment, it significantly reduces driver distraction and enhances road safety for all users, making it a critical upgrade or replacement for any SHACMAN truck’s electrical system.
Lighting Combination Switch
Комбинированный переключатель света
Interruptor Combinado de Iluminación
The SHACMAN DZ9L149584614 combines multiple critical lighting controls into one convenient stalk located on the steering column. This multifunction design allows the driver to operate the headlights (off, parking lights, low beam), toggle between high and low beams, activate left and right turn signals, and control front and rear fog lights without removing their hands from the wheel.
This centralized control is essential for maintaining driver focus on the road. The switch is designed with intuitive gestures—typically a twist for headlight modes, a push/pull for fog lights, and a lever motion for turn signals and high beam flash. The robust construction of the DZ9L149584614 ensures each function engages positively, providing clear tactile and often audible feedback to confirm activation, which is vital in a noisy truck cabin.
The defining feature of the DZ9L149584614 switch is its integration with an automatic low beam adjustment system. This intelligent function automatically adjusts the angle of the headlight low beams based on the vehicle’s load and attitude. When the truck is heavily loaded at the rear, the front end rises, causing standard headlights to aim too high and blind oncoming traffic.
The system connected to this switch uses sensors to detect the vehicle’s pitch and sends a signal to actuators on the headlights, leveling them to the correct, legal position. This automation ensures optimal road illumination without dazzling other drivers, enhancing safety and compliance with road regulations. It eliminates the need for manual dashboard adjuster wheels, simplifying the driver’s task.
Reliable electrical performance is non-negotiable for a lighting switch. The DZ9L149584614 is built with high-quality copper-alloy contacts designed to handle the electrical current required for multiple lighting circuits without overheating or developing excessive resistance. The internal circuitry is robust, and the switch utilizes a multi-pin electrical connector that plugs securely into the vehicle’s main wiring harness. This connector is designed to be weather-resistant and vibration-proof, preventing corrosion and loose connections that can cause intermittent operation. The wiring and terminals within the DZ9L149584614 switch assembly are arranged to prevent short circuits and are insulated to withstand the temperature variations and potential moisture exposure found in a truck’s cabin environment.
Engineered for millions of cycles, the DZ9L149584614 switch is constructed from high-grade engineering plastics and metals. The stalk lever is designed to withstand frequent, sometimes forceful, operation without breaking or becoming loose. The rotary dial for headlight selection features a precise detent mechanism that clicks securely into each position.
The surface materials are resistant to wear from oils and sweat on a driver’s hands. Ergonomically, the switch is positioned for easy reach, and the control symbols are clearly embossed or printed for identification, even in the dark. This focus on durability and user experience ensures the switch remains fully functional and comfortable to use throughout the long service life of the commercial vehicle.
| Specification | Detail |
|---|---|
| OEM Part Number | DZ9L149584614 |
| Product Name | Lighting Combination Switch |
| Brand | SHACMAN |
| Key Feature | Automatic Low Beam Adjustment |
| Functions | Headlights, High Beam, Turn Signals, Fog Lights |
| Mounting Position | Steering Column (Left Stalk) |
| Electrical Connector | Multi-pin, Sealed |
| Compatible Models | SHACMAN X3000, New M3000 Series |
The DZ9L149584614 switch plays a direct role in improving road safety. Properly aimed headlights, facilitated by the automatic leveling system, maximize the driver’s view of the road while minimizing glare for other motorists, a common cause of nighttime accidents. The reliable operation of turn signals and hazard lights (often integrated) is crucial for communicating intentions. By ensuring all lighting functions are easily accessible and fail-safe, this switch helps prevent accidents caused by delayed signaling or inadequate illumination. Furthermore, the automatic beam adjustment feature helps the vehicle comply with strict international regulations (like ECE regulations) regarding headlight leveling, which is mandatory for many heavy trucks, thus avoiding potential fines and ensuring the vehicle is road-legal in regulated markets.
Several signs indicate the need to replace the lighting combination switch with a new DZ9L149584614. Intermittent operation is a classic symptom—headlights or turn signals that work only when the stalk is held in a certain position. Complete failure of one function (e.g., no high beams) while others work points to internal contact failure. A stiff, sticky, or loose-feeling stalk mechanism suggests internal mechanical wear. Issues with the automatic leveling, such as headlights not adjusting or flickering, may originate from the switch’s control circuit. Before replacement, it’s prudent to check fuses and bulbs, but if those are intact and the wiring harness connector is secure, the switch unit itself, the DZ9L149584614, is the likely culprit.
Replacing the DZ9L149584614 switch is a moderate complexity task. It generally involves safely disconnecting the vehicle’s battery, removing the steering column shrouds or covers to access the switch assembly, and disconnecting the multi-pin electrical plug. The old switch is then unclipped or unbolted from its mounting bracket. The new DZ9L149584614 unit is positioned, secured, and the electrical connector is firmly reattached. After reassembling the column covers and reconnecting the battery, all lighting functions must be tested, including the automatic leveling system, which may require initialization via a diagnostic tool. Proper installation ensures the switch is securely mounted and all electrical connections are corrosion-free for optimal performance.
Modern trucks like the SHACMAN X3000 utilize Controller Area Network (CAN Bus) systems for electronic communication. The advanced DZ9L149584614 switch is designed to interface with this network. Instead of directly switching high-current loads, it sends digital command signals over the CAN Bus to dedicated body control modules or lighting control units.
This integration allows for more sophisticated features like automatic headlight activation, coming-home/leaving-home lights, and precise control of the leveling motors. It also enables the vehicle’s diagnostic system to monitor the switch’s status and log faults. When replacing, using the genuine DZ9L149584614 ensures perfect compatibility with the truck’s existing network architecture, preventing communication errors.
Choosing the authentic SHACMAN DZ9L149584614 over an aftermarket alternative is crucial for long-term reliability. The OEM switch is built with materials that meet specific thermal and mechanical stress ratings. The precision of its internal contacts ensures minimal voltage drop and arcing. Its connector and pins are an exact match for the vehicle’s harness.
Aftermarket switches may look similar but often use inferior plastics that become brittle, substandard contacts that wear out quickly, or incorrect resistor values for the CAN Bus signals, leading to malfunctioning automatic features or diagnostic trouble codes. The genuine DZ9L149584614 guarantees the correct feel, function, and durability, protecting the vehicle’s complex electrical system.
A fully functional DZ9L149584614 switch directly contributes to driver comfort and operational efficiency. Intuitive, reliable controls reduce cognitive load and physical effort, allowing the driver to concentrate on traffic and navigation. The automatic leveling feature eliminates a manual task, especially valuable for trucks with frequently changing loads. This reduction in minor tasks helps combat driver fatigue on long journeys. For fleet operations, consistent and reliable vehicle lighting, controlled by a durable switch, means fewer driver complaints, reduced risk of lighting-related violations, and less downtime for electrical repairs, all contributing to smoother and more cost-effective fleet management.
To ensure a perfect fit and function, always use the OEM part number DZ9L149584614 when ordering. Due to the integration with automatic systems, there can be significant variations between switch models for different truck years and trim levels. Providing your SHACMAN truck’s model, model year, and VIN (Vehicle Identification Number) is highly recommended. The VIN allows parts specialists to pinpoint the exact variant required for your vehicle’s specific lighting and CAN Bus configuration. Verifying this information before purchasing the DZ9L149584614 prevents the frustration of receiving an incompatible part that may plug in but not communicate correctly with the vehicle’s other systems.
The SHACMAN DZ9L149584614 Lighting Combination Switch with Automatic Low Beam Adjustment is a sophisticated fusion of ergonomic design, durable engineering, and intelligent safety technology. It centralizes essential lighting controls while automating a critical adjustment task, thereby enhancing driver convenience and road safety for everyone. Its robust construction ensures longevity in the demanding environment of a commercial truck cabin. Opting for the genuine OEM DZ9L149584614 part guarantees seamless integration, reliable performance, and preservation of all advanced vehicle functions. For any SHACMAN owner experiencing lighting control issues or seeking to maintain their vehicle’s highest safety standards, replacing with this genuine switch is a prudent and valuable investment in the truck’s operational integrity and compliance.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
