How do I wire this to turn on my auxillary lights when motorcycle is turned on and turn off lights when motorcycle is turned off?

You’d have to splice it into the existing wiring for your head light. It’s much easier to run it to the battery and just remember to shut them off

On the Handlebar switch, the white wire control the relay (positive output) and the red wire goes to the battery (positive input)?

On the wiring kit I installed the handlebar switch (red and white) wires connect to the relay with a pigtail connector. The heavier gage (red and black) wires from the relay go to the battery, and the (red and blue) wires connect to the light bar. All three wire sets where in individual shrink tubing. The relay was pre wired and sealed so I can’t see where the white wire actually plugs in from the switch.

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Nilight 7/8" Motorcycle Handlebar Switch Wiring Harness Kit 16AWG 2 Leads

Nilight 7/8" Motorcycle Handlebar Switch Wiring Harness Kit 16AWG 2 Leads

Product ID: 329911580

Details

Brand
Nilight
Connector Type
Clamp
Item Weight
1.6 ounces
Item dimensions L x W x H
2.36 x 3.15 x
Material
Polyvinyl

⚡Power relay + blade fuse circuit protection

🔌16AWG heavy-duty wiring

🔗Dual leads for stable dual-light setup

€ 39.38

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Power your ride with precision and protection — never ride in the dark again!

DURABLE COMPACT - PVC insulated, lightweight design (1.6 oz) fits snugly on your handlebar without bulk, backed by a 2-year warranty.
DUAL LIGHT CONTROL - Two leads support up to 180W total, perfect for managing dual auxiliary or LED light setups with rock-solid stability.
UNIVERSAL 7 8 FIT - Seamlessly integrates with most 12V motorcycles, ATVs, scooters & more — no compatibility guesswork.
BUILT IN SAFETY CIRCUIT - Power relay and blade fuse shield your ride from over-current and short circuits, ensuring worry-free adventures.
COMPLETE INSTALLATION KIT - Includes wiring harness, blade fuses, connectors, and a clear wiring diagram — everything you need to upgrade instantly.

The Nilight 7/8" Motorcycle Handlebar Switch Wiring Harness Kit features heavy-duty 16AWG wiring with dual leads for controlling up to 180W of auxiliary lighting. It includes a power relay and blade fuse for circuit protection, ensuring safe and reliable operation across a wide range of 12V vehicles. The kit comes complete with connectors and a wiring diagram for easy installation, all housed in durable PVC insulation and backed by a 2-year warranty.

Specifications

ASIN	B091HHH7MT
Best Sellers Rank	#4,070 in Automotive ( See Top 100 in Automotive ) #92 in Powersports Switches
Brand	Nilight
Brand Name	Nilight
Cable Type	Electrical Wire
Connector Type	Clamp
Customer Reviews	4.4 out of 5 stars 351 Reviews
Included Components	LED Light Bar Wiring Harness
Item Dimensions	2.36 x 3.15 x 7.48 inches
Item Highlight	7/8inch Extension On Off Rocker Toggle 12V 24V with Fuse Relay for ATV UTV Dirt Bike LED Light Bar Auxiliary Driving Lights
Item Type Name	Nilight LED Light Bar Wiring Harness Kit Motorcycle Handlebar Switch 16AWG 2 leads 12V On Off Push Button Switch for Motorcycle ATV UTV Driving Lights 7/8inch,2 Years Warranty
Item Weight	1.6 ounces
Item dimensions L x W x H	2.36 x 3.15 x 7.48 inches
Manufacturer	Nilight
Material	Polyvinyl Chloride (PVC)
Material Type	Polyvinyl Chloride (PVC)
Model	10045W
Number of Items	1
Number of Packs	1
Part Number	10045W
UPC	750139061747
Unit Count	1 Count
Warranty Description	2 Years Warranty

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