Overview The WL800 car door actuator converts electrical signals into mechanical motion to lock and unlock vehicle doors via wireless key fob, door switch or smart entry systems. Installed inside the door panel, it integrates a motor, gears and linkages to operate locks with low noise and reliable repeatability. Designed for integration with central locking, alarms and keyless-entry modules in passenger and commercial vehicles.
Important parts and function The unit houses a low-power DC motor, a gear train, rods/linkages and a sealed ABS enclosure. Modern WL800 variants include corrosion-resistant components and position feedback to allow precise control and ECU integration. Typical installation uses screw mounting inside the door cavity.
Features and benefits - Remote locking/unlocking via key fob or smart entry systems for operator convenience
- Centralized locking support to lock/unlock all doors simultaneously
- Fast response and consistent operation for improved vehicle usability
- Compatibility with anti-theft systems, remote start and vehicle ECUs
- Compact form factor for in-door installation and standard wiring length for easy fitment
Common problems and troubleshooting Typical failures include motor burnout, worn plastic gears, mechanical binding, contamination, wiring faults, blown fuses or faulty relays. Troubleshooting steps:
- 1. Check remote/key fob: replace batteries and verify transmitter function.
- 2. Inspect fuses and relays for the central locking circuit; replace if defective.
- 3. Command lock/unlock and listen: noise without movement indicates mechanical damage; silence may indicate power/motor fault.
- 4. Inspect wiring and connectors behind the door panel for loose, broken or corroded connections; verify voltage with a multimeter.
- 5. Bench-test the actuator by applying the rated voltage to isolate motor vs wiring/control faults.
- 6. Check linkages, rods and clips for bends, disconnections or obstructions; lubricate stiff components.
- 7. If multiple doors fail, diagnose the central locking control module/ECU with appropriate diagnostic tools.
Applications Suitable for passenger cars, commercial vehicles (vans, trucks), fleet and ride-hailing vehicles and electric vehicles. Integrates with remote control modules, ECUs for auto-lock functions and vehicle alarm/keyless-entry systems.
Technical Data Brand: Weilong Technology
Model Number: WL800
Rated Voltage (V): DC 12V or 24V
Rated Power (W): 20 W
Work Mode: Motor type
Compliance: RoHS
Stroke (mm): 21 mm
Rotary Angle: 360 Degree
Service Life: 60,000 Times
Certification: CE, RoHS, ISO9001
Material: ABS Housing
Lead Wire Length (mm): 200
Install Style: mounted screw hole for easy set up
Tolerance of Dimension: +/- 0.1 MM
Pushing Force: 60 N
Insulation Class: H 180 Degree
Hi-Pot Test: AC 600V 50/60Hz 1s
Non-excitation Holding Force: 0
Working Temperature: -10°C-100°C
Duty Cycle: 1-100%
Thread Depth (mm): /
Payment Term: TT, or LC At Sight
Sample Order: Yes
Warranty: 1 Year
MOQ: 1000 pcs
Supply Ability: 5000 pcs per Week
Delivery Time: 30 Days
Port of Loading: shenzhen
Specifications - Brand: Weilong Technology
- Model: WL800
- Rated voltage: DC 12V or 24V
- Rated power: 20 W
- Stroke: 21 mm
- Rotary angle: 360°
- Pushing force: 60 N
- Housing material: ABS
- Lead wire length: 200 mm
- Estimated service life: 60,000 cycles
- Operating temperature: -10°C to 100°C
- Insulation class: H
- Hi-Pot test: AC 600V 50/60Hz 1s
- Certifications: CE, RoHS, ISO9001
- Warranty: 1 year
- MOQ: 1000 pcs
- Supply capacity: 5000 pcs/week
- Delivery time: 30 days