Is there a harness for 2 sets of lights with 2 switches?

no, only one switch, both lights(2), are wired together with resister and all hardware needed.

would this work with 430 watts lightbar????

In my opinion, I see no reason it wouldn't work...I plan on using it for my light bar once I buy and install my new offroad bumper.

What size drill bit do you use for the red button switch?

I didn’t use the button I switched it out to a toggle switch that matched the one in my boat but I would say get a step down drill bit that has several different sizes on it would be your best bet to get the correct size.

Deliver to Morocco

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Nilight Wiring Harness Kit 14AWG Heavy Duty 12V On-Off Switch Power Relay Blade Fuse for Off Road LED Work Light Bar-ONE Lead

Nilight Wiring Harness Kit 14AWG Heavy Duty 12V On-Off Switch Power Relay Blade Fuse for Off Road LED Work Light Bar-ONE Lead

Product ID: 48018527

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Details

Brand
Nilight
Material
Copper
Item dimensions L x W x H
7 x 2 x 2
Item Weight
11.2 ounces
Connector Type
3-pin

⚡380W load capacity

🔌12ft heavy-duty harness

🚗Universal fitment

Description

🔧 Power Up Your Adventure!

EXTENDED REACH - 12ft harness allows for flexible installation options.
DURABLE CONSTRUCTION - Built to last with 14-gauge stranded wire for maximum reliability.
USER FRIENDLY DESIGN - Illuminated switch with a red indicator for easy operation.
ROBUST POWER HANDLING - Supports up to 380W, perfect for your off-road adventures.
UNIVERSAL COMPATIBILITY - Seamlessly fits all 12V DC vehicles and devices.

The Nilight Wiring Harness Kit is a heavy-duty, 12V power relay system designed for universal compatibility with automobiles and boats. Featuring a 12-foot harness and a robust 380W load capacity, this kit ensures reliable performance for your LED work light bar. The illuminated on/off switch adds convenience, making it easy to operate even in low-light conditions.