Nilight 10014W LED Light Bar Wiring Harness Kit User Manual
Quick guide for the Nilight 10014W LED Light Bar Wiring Harness Kit. Includes installation steps, wiring methods for the 5-pin rocker switch, and power specifications.
Table of contents
Quick guide from the manual
This document provides installation instructions for the Nilight LED Off-road LED Light Bar Wiring Harness. It covers the physical connection of the harness to the light bar and battery, as well as specific wiring configurations for the 5-pin rocker switch.
Installation

- Connect the light bar wires to the wiring harness terminals (black to black, red to red).
- Run the rocker switch wires through the switch cutout or opening in the dashboard.
- Connect the wiring harness to the car battery. Connect the red wire (with fuse) to the positive terminal and the black wire to the negative terminal.
- Turn on the power and press the switch to test the light.
Caution and specifications
Operating Voltage: 12V DC
Maximum Wattage by Wire Gauge:
- 16AWG: Max 180W
- 14AWG: Max 300W
- 12AWG: Max 450W
Safety Warning: Ensure all exposed wires are securely wrapped with electrical insulating tape to prevent short circuits. If you are not comfortable with the installation, it is recommended to have a professional perform or guide the installation.
5-Pin rocker switch connection
The 5-pin rocker switch can be wired in two different ways depending on your preference for the indicator light:
- Wiring Method A: Connect the red jumper wire from pin 2 to pin 6. The lower indicator light will turn on when the key is turned on.
- Wiring Method B: Connect the white jumper wire from pin 3 to pin 6. The lower indicator light will turn on only when the switch is turned to the ON position.
Important: Always tape the ends of any unused wire connections to ensure no shorts occur.
Pin-tab outs
- 8: Upper Light Neg. (-)
- 2: Incoming from power source
- 3: Outgoing to relay, accessory, or equipment
- 7: Lower Light Neg. (-)
- 6: Lower Light Pos. (+)
Manufacturer information
Nilight
Practical help
Common problems
Ensure all exposed wires are securely wrapped with electrical insulating tape.
Use Wiring Method A if you want the indicator on with the key, or Method B if you want it on only when the switch is active.
Before use
- Verify the operating voltage is 12V DC.
- Check that your light bar wattage is compatible with your wire gauge (16AWG/14AWG/12AWG).
- Ensure you have electrical insulating tape for unused connections.
- Identify the correct wiring method (A or B) for your switch preference.
Images and diagrams
- The wiring diagram illustrates the connection path from the battery, through the relay, to the light bar and switch.
- The pin-tab diagram identifies the specific pin numbers (1-8) on the back of the rocker switch for correct jumper wire placement.
Model compatibility
- Designed for 12V DC systems only.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.