The wiring harness for LED off road lights is the perfect accessory for off road vehicles, working vehicles, and any automobile that could use a relay to power specific equipment. Consisting of a 40 AMP relay, a 4 model REMOTE CONTROL SWITCH(ON-OFF-STROBE), and more than 12 feet of wiring, this wiring harness for LED off road lights simplifies the installation process of powering various equipment on all automobiles. 
Interchangeable/Compatible with: 
All automobiles and devices equipped with a 10 to 30 Volt DC power source. 
Features: 

Illuminated on/off switch 
40A Power Relay 
Inline Blade Fuse 
More than 12ft of wiring 
2 sets of power connectors to light fixtures 

Product Content: 
1 x Wiring Harness 
Full Wiring Kit for All Light Bars with 4 model REMOTE CONTROL SWITCH ON/ OFF/STROBE switch for 7'';, 10'';, 13'';, 20'';, 30'';, 40''; 50'' 
Installation: 
1. connect the the red+ wire from the fuse to battery +; connect the black wire from the reply to the battery ?¡ìC; 
2. connect the wire for lights bar from the relay; (red/black correspond to the wire of lights bar) 
3. connect the white +/black- wire of the switch to battery or any place of your car system to get power for the switch 
4. turn on on/off button of switch to test the lights bar