20466304 Light Module | IP69K & SAE J1455 Thermal Management
20466304 Light Module | IP69K & SAE J1455 Thermal Management
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20466304 Light Module Control Unit
Multi-Function Headlight Controller
The 20466304 Light Module assembly (20466304, 20942846, 20953573) integrates advanced PWM dimming circuitry for precise headlight level management. Die-cast aluminum housing dissipates heat from high-current circuits during extended operation. Rotary encoder with 36-position resolution enables accurate beam angle adjustment. Sealed membrane switches resist fluid ingress in FMX construction environments. Dual-color LED indicators display active lighting modes (position/daytime running). Galvanically isolated CAN-bus interface prevents electrical interference in FH16 models. Vibration-dampened mounting system protects internal components on rough terrain. UV-resistant polycarbonate lens maintains clarity under solar exposure. Tool-free access panel simplifies fuse replacement in FM9 applications. Integrated thermal cut-off protects against overload conditions. Reverse polarity protection safeguards electronics during battery replacement procedures.
Volvo Truck Compatibility Matrix
Primary Applications
- ▶ FH12 (2001-2021)
- ▶ FM12 (2001-2005)
- ▶ FM9 (2001-2005)
- ▶ FH/FM (2005-2021)
Extended Applications
- ▶ FMX Series
- ▶ FH16 (2005-2021)
- ▶ Euro III-VI Models
Direct replacement module for European-specification trucks with ECE R48 compliance.
Core Technologies
- ▶ Automotive-grade PCB
- ▶ Gold-Plated Terminals
- ▶ Silicone Sealed Joints
Environmental Specs
- ▶ IP69K Protection
- ▶ -40°C to 125°C
- ▶ 200mA Max Load
Compatible with OE: 20466304, 20942846, 20953573 for Volvo FH/FM/FMX Series Trucks 2001-2021
20466304 Light Module | IP69K & SAE J1455 Thermal Management
