Will this work with nilight 18026c-a 37inch 780w triple row flood spot combo bar 78000lm driving waterproof led work light off-road t?

Are you sure the Watts you quoted is correct? 780w at 12V is 65Amps. I doubt this bar needs that. Its probably an equivalent to halogen light level. Check the actual current this draws. Then text me back. I see other users use a 30Amp fuse. So im pretty sure this kit will be fine

Why does my light bar sometimes stay on and not shut off?

You have it wired wrong, use ignition power, so when car/truck is off the light bar turns off 100% of the time.

The lights will not go out. Even disconnection swith will not turn lights off (have to pull fuse). T

I would check the connections on the relay itself if it’s wired backwards it can keep the power on all the time

Trying to understand the wires that go to the rocker switch, is black for ground ( - ), red for battery (+), and white?

Coming out of the relay are 3 sets of 2 lead wires, ..2 black (ground, attach these to the top left and right of the back side of the switch # 7,8), then 2 red, Positive,one will go to the single middle connector, #2. Now here’s your choice, if you want the face of the switch to light up even when the switch is “off”, hook up the other red lead to # 6 on the bottom right. If you don’t want the switch to always light up when “off”, then hook up the white 2 leads to #3 &6. Wrap electrical tape around the extra wire, either red or white, that’s not connected according to your choice. Hope this helps.

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💡 Illuminate your ride with confidence—power, protection, and style in one kit!

HEAVY DUTY 12 AWG WIRING - Engineered for superior electrical conductivity and durability under extreme conditions.
ADVANCED SAFETY FEATURES - Integrated power relay and blade fuse shield your system from overcurrent and short circuits.
WATERPROOF LONG LASTING - Designed to withstand harsh environments with high-temp resistance and a 2-year warranty.
BUILT IN LED ROCKER SWITCH - Find and control your lighting effortlessly—even in total darkness—with soft-glowing LEDs.
UNIVERSAL 12 V COMPATIBILITY - Seamlessly powers all your vehicles and watercraft with a reliable 12V DC connection.

The Nilight 10019W LED Light Bar Wiring Harness Kit offers a universal 12V heavy-duty 12AWG wiring solution with a waterproof 5-pin LED rocker switch, integrated power relay, and blade fuse for superior safety. Built for durability and ease of use, it ensures reliable electrical performance across vehicles and watercraft, backed by a 2-year warranty.

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€ 59.79

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Manufacturer	Nilight
Brand	Nilight
Model	10019W
Product Dimensions	27.94 x 5.08 x 12.7 cm; 453.59 g
Item model number	10019W
Exterior	Painted
Manufacturer part number	10019W
Position	Front
Special Features	Waterproof
Item Weight	454 g

Nilight - 10019W LED Light Bar Wiring Harness Kit 12AWG Heavy Duty 12V 5Pin Rocker Switch Laser On off Waterproof Switch Power Relay Blade Fuse-1 Lead,2 Years Warranty

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