WeiSen 180W Plug & Play Spot Lights Wiring Harness Kit - Pulse Bus

In this review the WeiSen 180W Plug & Play Spot Lights Wiring Harness Kit is evaluated for riders and DIY installers who need a fast, no-fuss way to power auxiliary lights from a UTV pulse bus bar. The bottom line is straightforward: this harness simplifies installation by using a true plug & play pulse power bar plug connector and includes the relay, inline blade fuse, and ON/OFF rocker switch so you do not need extra components. It is best for those with compatible pulse bus bar systems who value quick setup and reliable shutoff when the engine is off.

Key Features

• Pulse power bar plug connector: The dedicated plug connector lets users plug directly into a factory pulse bus bar for a cleaner, faster install without seat removal.
• Complete kit: Includes a 5-pin ON/OFF rocker switch, 10 ft wire, an inline blade fuse, and an automotive relay so no separate purchases are required.
• Smart switch design: The switch light turns off when the engine is shut down to avoid draining the battery when the vehicle is not running.
• Wide UTV compatibility: Built to work with UTVs that use the pulse bus bar (Part Number 4016007), making it suitable for many Polaris models that use that system.
• Quick wiring: True plug & play wiring saves time compared with custom harness builds or hardwired installs.

Who It's For

The WeiSen harness is aimed at UTV owners and mechanics who already run a pulse bus bar and want a fast way to add 180W spot lights without fabricating a harness. It suits people who prefer bundled parts and a cleaner installation that plugs into factory wiring.

It is less suitable for riders whose machines do not have the pulse bus bar referenced or for projects requiring longer-than-10 ft runs; some customers reported mixed feedback on cable length. Also, buyers seeking a heavy-duty commercial switch may want to evaluate the rocker switch feel before purchase.

Pros & Cons

Pros

• Plug & play pulse connector makes installation quick and reduces wiring mistakes.
• Includes relay, fuse, switch, and 10 ft wire so users save time and additional cost buying parts separately.
• Switch light shuts off with the engine to prevent battery drain when parked.
• Works well with compatible UTV pulse bus bars and performs as expected for powering spot lights.

Cons

• Cable length has received mixed feedback, and 10 ft may not suit all installations.
• At least one user noted the rocker switch feels less robust than heavier aftermarket switches.

Specifications

Brand	WeiSen
Wattage supported	180W
Voltage	12V
Wire length	10 ft
Included components	5-pin ON/OFF rocker switch, inline blade fuse, automotive relay
Connector type	Pulse power bar plug connector
Compatibility	UTVs with pulse bus bar (Part Number 4016007)

Our Verdict

The WeiSen 180W plug & play wiring harness is a practical, value-minded option for UTV owners with the compatible pulse bus bar who want a quick, tidy installation and a kit that includes relay, fuse, and switch. It eliminates sourcing parts separately and protects the battery by shutting the switch light off with the engine, though buyers should confirm that 10 ft of wiring and the included rocker switch meet their specific needs.

Frequently Asked Questions

Will this plug into my UTV without removing seats?
Yes, the harness is designed for true plug & play connection to the factory pulse bus bar without disassembling seats.

Does the switch draw power when the engine is off?
The upgraded design turns the switch light off when the engine is shut down to avoid draining the battery.

What if I need a longer cable?
The kit comes with 10 ft of wire; users needing more length should plan for an extension or alternate routing, as some customers reported mixed fit regarding cable length.