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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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

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

Product ID: 264614627

Details

Brand
Nilight
Connector type
Pin
Item dimensions L x W x H
27.9 x 5.1 x
Item weight
1 Pounds
Material
Brass

⚡12AWG heavy-duty wiring for max power

💡Dual LED rocker switch with soft glow for easy night use

🔒Built-in power relay & blade fuse for ultimate safety

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Description

🔌 Power up your ride with confidence and style!

SAFETY FIRST - Power relay and blade fuse protect your rig from overcurrent and shorts—drive worry-free.
EFFORTLESS CONTROL - Laser-etched dual LED rocker switch glows softly, so you never fumble in the dark.
PREMIUM DURABILITY - High-temp resistant, flexible 12AWG wiring ensures long-lasting, reliable performance.
UNIVERSAL COMPATIBILITY - Fits all 12V DC vehicles & devices—one kit, endless possibilities.
PLUG PLAY INSTALLATION - Complete kit with clear instructions makes wiring your lights a breeze—professional results guaranteed.

The Nilight 10019W LED Light Bar Wiring Harness Kit features heavy-duty 12AWG wiring, a built-in power relay and blade fuse for safety, and a dual LED illuminated rocker switch for easy operation in low light. Compatible with all 12V DC vehicles and watercraft, this waterproof, high-quality kit ensures a clean, professional installation backed by a 2-year warranty.

Specifications

ASIN	B074GYNJ85
Best Sellers Rank	#23,648 in Automotive ( See Top 100 in Automotive ) #41 in Car Electrical Wiring Harnesses
Brand Name	Nilight
Connector Type	Pin
Customer Reviews	4.7 4.7 out of 5 stars (2,218)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00600537012806
Included Components	1PC Rocker Switch Wiring Harness Kit
Item Dimensions	27.9 x 5.1 x 12.7 centimeters
Item Type Name	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
Item Weight	1 Pounds
Manufacturer	Nilight
Material Type	Brass
Model	10019W
Part Number	10019W
Recommended Uses For Product	Vehicle Exterior
UPC	600537012806
Unit Count	1 Count
Warranty Description	2 Years Warranty

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€ 54.94

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In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

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