Application
This LED front marker light is specially designed for coaches and city buses. It serves as clearance lamp and roof position lamp. It clearly shows vehicle outline and width under dusk, night, foggy and low‑light conditions, improving vehicle recognition for surrounding vehicles and pedestrians, effectively enhancing driving safety for large‑size buses. Suitable for front and roof installation of buses.
| Specification | Details |
| Product Name | 24V LED Bus Front Marker Light |
| Model No. | 24114AJ0073(Left‑Hand) / 24114AJ0077(Right‑Hand) |
| Application | Coach & City Bus, Front / Roof Position Lighting |
| Rated Voltage | DC 24V |
| Light Source | High‑brightness LED beads |
| Housing Material | Engineering Plastic |
| Lens Material | Transparent PC Lens |
| Connector Type | 2‑pin Yellow Plastic Waterproof Plug |
| Working Temperature | ‑40℃ ~ +65℃ |
| Feature | Shock‑resistant, Waterproof, Dust‑proof, Low power consumption |
| Function | Vehicle outline marking, position indication |
| Fitment | Left & Right sold as pair |
| Packaging | Neutral Independent Paper Box with Bubble Protection |
| MOQ | Negotiable |
| Supply Capacity | 5000 PCS / Month |
| Quality Standard | Aftermarket replacement spare parts for bus |
Product Features
1. Adopts high‑brightness LED beads, stable light output, soft but uniform illumination effect.
2. DC 24V working voltage, matches standard bus electrical system.
3. Transparent PC lens, good light transmittance, anti‑scratch and anti‑yellowing performance.
4. High‑strength engineering plastic housing, good shock‑resistance for bumpy road conditions.
5. Equipped with 2‑pin yellow plastic waterproof plug, convenient plug‑and‑play connection.
6. Wide working temperature range:‑40℃ ~ +65℃, adapts to various extreme weather environments.
7. Low power consumption, effectively reduce bus power‑system load.
Product Advantages
1. Excellent visibility: Clear outline warning light, reduce collision risk during night driving.
2. Long service life: LED light source, no easy burnout, long working hours.
3. Perfect replacement: Direct aftermarket replacement for original lamp, no wiring modification required. Left and right models available.
4. Good environmental durability: Waterproof, dust‑proof, vibration‑proof, fit complex road conditions for long‑distance coaches.
5. Easy maintenance: Plug‑in connector design, quick disassembly and replacement in daily bus maintenance.
6. Stable performance: Reliable lighting performance under cold winter and high‑temperature summer.

Installation Instructions
1. Cut off the bus power supply before installation to avoid short‑circuit damage.
2. Remove the old marker light by loosening fixed fasteners.
3. Take the new lamp, confirm correct side: 24114AJ0073 for left side, 24114AJ0077 for right side.
4. Align the lamp body with installation hole position, fix the lamp with fasteners firmly, do not over‑tighten to avoid cracking plastic housing.
5. Connect the 2‑pin yellow waterproof plug to the corresponding vehicle harness socket, make sure the connector is fully locked.
6. Restore bus power supply, turn on position light switch, test whether left and right marker lights light up normally.
Notes
1. Strictly apply DC 24V power supply. Do not connect to 12V power source, otherwise the lamp will fail to work.
2. Distinguish left‑hand and right‑hand part numbers, cannot install in mixed‑use.
3. Do not over‑tighten fixing screws during installation to prevent PC lens and plastic housing from cracking.
4. Keep connector plug dry and clean, avoid water and dust entering the socket before connection.
5. Check lamp illumination and plug connection regularly during daily vehicle inspection. Replace once lens crack or LED beads fail.
6. Avoid strong impact or knocking on lamp body, plastic parts are easy to break under heavy impact.
7. If the lamp does not light up, firstly check power supply circuit and connector connection status, not replace lamp blindly.