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 - Ni -Wa 06 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

Nilight - Ni -Wa 06 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

Product ID: 256445947

Details

Brand
Nilight
Connector type
rings
Item dimensions L x W x H
17.8 x 2.5 x
Item weight
0.1 Pounds
Material
Copper

🔌Universal 12V compatibility

🔴Illuminated on/off rocker switch

🛡️Blade fuse circuit protection

¥8035

Duties & taxes included

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your adventure with flawless control and safety!

DUAL OUTPUT LEADS - Supports two lighting fixtures up to 180W for versatile off-road illumination.
BUILT IN SAFETY SHIELD - Blade fuse and power relay guard your circuits against overloads and shorts.
ROCK SOLID RELIABILITY - Crafted with durable copper wiring and backed by a 2-year warranty for peace of mind.
PLUG PLAY UNIVERSAL FIT - Seamlessly powers all 12V vehicles and devices—no compatibility worries.
INTUITIVE ILLUMINATED SWITCH - Red LED rocker switch tested for 5,000+ presses ensures effortless control.

The Nilight Ni-Wa 06 Wiring Harness Kit offers universal 12V compatibility with dual leads supporting up to 180W lighting setups. Featuring a blade fuse and power relay for advanced circuit protection, plus a durable illuminated rocker switch tested for over 5,000 uses, this copper-wired harness ensures reliable, safe power delivery for off-road and work lights. Backed by a 2-year warranty, it’s the trusted choice for professionals demanding performance and peace of mind.

Specifications

ASIN	B071ZPX32N
Best Sellers Rank	#1,943 in Automotive ( See Top 100 in Automotive ) #16 in Car Light Bars
Brand	Nilight
Brand Name	Nilight
Cable Type	Auxiliary
Connector Type	rings
Connector type	rings
Customer Reviews	4.6 out of 5 stars 30,614 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
Item weight	45 g
Manufacturer	Nilight
Material	Copper
Material Type	Copper
Model	10008W
Number of Items	1
Number of Packs	1
Part Number	NI -WA 06
UPC	600537016507
Unit Count	1.0 Count
Warranty Description	2 year manufacturer
Wire Diameter	1.63 Millimeters

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