Ordered 3 harnesses! Tested each one before install and all 3 get constant power without the toggle switches even connected?? Relay issues??

I really don't think it would be a relay issue. I don't think 3 would be bad but you never know. I've got 2 of the same ones and didn't have any issues. Are you sure you aren't giving constant power to it? Not being sarcastic but check your wiring I don't see how 3 could be bad

Is it possible to buy a replacement switch for this harness?

I am sure you can replace the switch, it a common switch found at most auto parts retailers, average price $5. just a 3blade switch.

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Nilight LED Light Bar Wiring Harness Kit 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light,2 years Warranty

Nilight LED Light Bar Wiring Harness Kit 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light,2 years Warranty

Product ID: 96213776

Details

Brand
Nilight
Connector Type
Quick Connect
Item Weight
45 g
Item dimensions L x W x H
17.8 x 2.5 x
Material
Lead

⚡180W max power with 15A fuse

🔌Universal 12V compatibility

🔴Illuminated 3-pin rocker switch

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21401 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Light up your ride with power and protection—because your adventure deserves the best!

PRO GRADE DURABILITY - Crafted with premium lead wiring and backed by a 2-year warranty—engineered to last through every journey.
DUAL OUTPUT STABILITY - Two light output connectors support up to 180W total for seamless dual lighting setups.
BUILT IN SAFETY SHIELD - Power relay and blade fuse guard your circuits from overloads and shorts—ride worry-free.
PLUG PLAY POWER CONTROL - Universal 12V fit for cars, boats & more—ready to energize your off-road adventures.
INTUITIVE ILLUMINATED SWITCH - Red LED rocker switch tested for 5,000+ presses—effortless control with a sleek dashboard glow.

The Nilight LED Light Bar Wiring Harness Kit offers universal 12V compatibility with dual output connectors supporting up to 180W. Featuring a power relay and blade fuse for circuit protection, plus an illuminated 3-pin rocker switch tested for durability, this kit ensures safe, reliable control of off-road and work lights. Designed with premium materials and backed by a 2-year warranty, it’s the professional’s choice for seamless, worry-free lighting installation.

Specifications

ASIN	B071ZPX32N
Best Sellers Rank	#220,387 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #61 in Automobile Light Bars
Brand	Nilight
Brand Name	Nilight
Connector Type	Quick Connect
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 30,462 Reviews
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00600537016507
Included Components	1PC Wiring Harness Kit
Item Dimensions	17.8 x 2.5 x 5.1 Centimeters
Item Type Name	Nilight LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light,2 years Warranty
Item Weight	45 g
Item dimensions L x W x H	17.8 x 2.5 x 5.1 Centimeters
Manufacturer	Nilight
Material	Lead
Material Type	Lead
Model Number	10008W
Part Number	NI -WA 06
UPC	600537016507
Wire Diameter	1.63 Millimetres

Reviews

K**S

24.09.2020

S**U

31.08.2023

A**R

14.03.2023

L**O

22.01.2026

C**N

30.04.2025

S**S

24.08.2022

C**.

5.02.2026

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