Metzger

Metzger Brake Light Switch 0911120

The Metzger brake light switch, model number 0911120, is a high‑performance component designed to provide reliable activation of rear brake lights and stop signals in a wide range of vehicles. Its robust construction, precise electrical characteristics, and compatibility with numerous automotive brands make it an essential part for maintaining safety standards on the road.

Key Functional Features

• Dual‑function operation: Simultaneously triggers both brake lights and the stop light indicator when the driver depresses the foot pedal.
• High current handling: Capable of safely switching currents up to 30 A, ensuring consistent illumination even under high load conditions.
• Low voltage drop: Maintains a minimal voltage loss across the switch, preserving battery efficiency and preventing dimming of lights.
• Long‑lasting life span: Designed for over 10,000 cycles, providing dependable performance throughout the vehicle’s operational life.
• Compact footprint: Fits into tight engine bay spaces without requiring extensive modifications.

Electrical Specifications

Compatibility Overview

The Metzger brake light switch is engineered to fit a broad spectrum of vehicles, including but not limited to:

• Alfa Romeo: Spider, 155, 166, GTV models.
• Lancia: Dedra, Lybra, Kappa series.
• Citroën: Relay, Jumper (both van and minibus variants).
• Fiat: Coupé, Uno, Tempra, Ducato II Van, Ducato II Camion à Plateau/Châssis.
• Peugeot/Citroën: Various commercial vans and minibuses.

Its universal design allows seamless integration with both European and North American vehicle models that use the standard brake light switch architecture.

Installation Guidelines

1. Disconnect battery: Ensure safety by removing the negative terminal before working on electrical components.
2. Remove old switch: Unscrew the existing brake light switch from its bracket and disconnect the wiring harness.
3. Position new switch: Align the Metzger 0911120 with the mounting holes and secure it using the supplied screws.
4. Reconnect wiring: Attach the harness to the new switch, ensuring a firm connection.
5. Test operation: Reconnect the battery and depress the foot pedal to verify that brake lights and stop signals activate correctly.

Maintenance Tips

• Inspect the switch contacts periodically for signs of corrosion or wear; clean with a soft brush if necessary.
• Avoid exposing the switch to excessive moisture or oil, which can degrade performance over time.
• If the brake lights fail to illuminate consistently, check the foot pedal mechanism and wiring for mechanical obstructions.

Safety Considerations

The Metzger brake light switch plays a critical role in vehicle safety by ensuring that rear occupants are alerted when braking. Failure of this component can lead to increased risk of collisions, especially in high‑traffic environments. Therefore, it is essential to use the correct part and follow installation procedures meticulously.

Technical Support and Documentation

For detailed wiring diagrams, torque specifications, or troubleshooting assistance, consult the official Metzger technical manual associated with model 0911120. The manual provides comprehensive guidance for technicians and automotive enthusiasts alike.

Conclusion

The Metzger brake light switch 0911120 exemplifies engineering precision and reliability, offering a dependable solution for activating brake lights and stop signals across a diverse array of vehicles. Its robust electrical performance, wide compatibility, and straightforward installation make it an indispensable component for maintaining road safety standards.