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HOWO TX SPARE PARTS Reading lamp WG9719790004 FROM SINOTRUK COMPANY
FUNCTION
1. Directional Reading Lighting: This refers to an adjustable, directional reading lamp specifically designed for the vehicle cabin (also known as a dome light or overhead reading light). Its primary function is to provide localized, directional illumination for the driver and front-seat passenger during nighttime driving or in low-light conditions, facilitating tasks such as reading maps, waybills, documents, or mobile phone screens, as well as performing simple operations.
2. Flexible Adjustment: The fixture features metal or plastic articulating joints that allow for multi-angle manual adjustment-up, down, left, and right-to control the direction of the light beam. This enables precise targeting of the light onto the desired area, thereby avoiding disturbance to the passenger on the other side and preventing interference with the driver's line of sight.
3. Independent Control: Typically, the light is switched on or off independently via a dedicated switch located either directly on the fixture itself or on the cabin ceiling; it operates separately from the vehicle's main interior lighting system (though certain vehicle models may integrate this function with the door-activated lighting system).
Installation Location
Mounted above the cab ceiling, it forms part of the cab's interior lighting system.
In high-roof cabs, these lights are typically installed above both the driver's and passenger's seats, allowing each occupant to use them independently. Standard or medium-length cabs may feature only a single unit, or utilize them in combination with other interior lights.
Performance Advantages
| Performance Dimension | Specific Advantage Description | Actual Benefits |
|---|---|---|
| Adjustment Flexibility | Multi-angle adjustment joint (free rotation up/down and left/right) for precise directional lighting | Focused light without glare, convenient for reading maps, documents or operating devices without disturbing others |
| Durability & Reliability | High-strength shock-resistant plastic housing + metal adjustment structure, resistant to vibration and aging, suitable for -40℃～+80℃ environments | Ideal for bumpy long-haul heavy truck conditions, long service life, low failure rate |
| Lighting Comfort | 24V low-voltage design, moderate power (approx. 5W-10W), soft and natural light | Reduces eye fatigue at night and improves driving comfort |
| Installation & Maintenance Convenience | Screw-fixed, simple structure, plug-and-play; bulb (179100810051) easily replaceable separately | Replacement can be completed in minutes, low maintenance cost |
DETAILS
| DESCRIPTION | Reading lamp | PART NUMBER | WG9719790004 |
| WEIGHT |
0.25KG |
VOLUME |
30 × 25 × 20 cm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CABIN |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Daily Maintenance Recommendations
1. Periodic Inspection: Every 3 months, or after every 20,000 kilometers of travel, inspect the light fixtures to ensure they are not loose, that the adjustment joints move freely, and that the housing shows no signs of cracks or aging.
2. Cleaning and Maintenance: Gently wipe the lens and housing using a soft cloth dampened with a neutral detergent; avoid using strong solvents or high-pressure water jets. Keep the light fixtures dry to prevent water ingress, which could lead to a short circuit.
3. Bulb Maintenance: Light bulbs are consumable items (Part No.: 179100810051); replace them immediately if you notice dimming, flickering, or failure to illuminate. It is recommended to keep a stock of 2 to 4 spare bulbs on hand.
4. Preventive Measures: Before embarking on a long-distance journey, verify that the light switches are functioning correctly. Avoid prolonged, continuous use of the lights to extend the lifespan of the bulbs. Additionally, check to ensure that the wiring harness located on the roof of the cab remains intact and undamaged.
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