Q1. What functions does this 4-inch round LED light provide?

The red lamp provides tail, stop and turn functions. Stop and turn use the combined high-brightness function, while the tail light uses the low-brightness function.

Q2. Can the lamp be used with both 12V and 24V systems?

Yes. This model is specified for 12V and 24V DC systems. Confirm the vehicle’s electrical configuration and wiring before installation.

Q3. What panel hole size is required for the grommet?

The lamp is described as a nominal 4-inch round light. The required panel cut-out depends on the grommet dimensions. Use the model-specific dimensional drawing before cutting the panel.

Q4. What does IP67 mean for this trailer light?

IP67 indicates dust protection and protection against temporary immersion under specified test conditions. It does not establish unlimited submersion or saltwater corrosion resistance.

Q5. What connection does the light use?

The specified configuration is a three-wire connection with a round terminal. Confirm the connector type, wire functions and lead details against the exact model before matching it to a trailer harness.

Q6. Does the 50,000-hour figure guarantee the complete lamp’s service life?

The stated figure describes LED service life. Actual performance depends on operating conditions and the complete lamp assembly.

Q7. What should OEM buyers confirm before ordering?

Confirm the lamp and grommet dimensions, panel cut-out, connector configuration, wire functions and required package contents. For North American applications, match the model and lamp markings to the relevant SAE/DOT and FMVSS 108 documentation.

 

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