Reliable Power Wiring

Details That Matter

Essential Components

Technical Highlights

Relay Rating
40amp
Fuse Rating
30amp
Switch Type
Round on/off with red illumination
Connectors
Crimp and heat shrink
Wire Protection
Automotive grade mesh

What arrives

One wiring harness assembly with relay, fuse, illuminated switch, and crimp/heat shrink connectors

Functional Compatibility

Exact Use and Fit

Connect the wiring harness to your 12V power source and lighting or accessory components following electrical guidelines.

Order with Confidence

Shipping & Returns

Shipping

Supplier creates shipping label within 2 days; checkout displays all available supplier rates.

Returns

30 day returns accepted with no label fee or restocking fee.
SALE: Single Wiring Harness

Clean power, one click

A measured line through the dash—black mesh, a small red glow—bringing extra light to long roads and late projects.

Night work, made simple

SALE: Single Wiring Harness

Thoughtful touches

Accessory lights shouldn’t mean a tangle of guesswork. The SALE: Single Wiring Harness gathers what matters—a 40amp relay, 30amp fuse, and a round on/off switch with red illumination—into one calm, consistent run. Crimp/heat shrink connectors keep the finish neat while the automotive-grade mesh protects the path. Less hunting for parts, more time with the hood down and the road ahead.

Order in the engine bay

When wiring is tidy, nights feel longer and clearer. A single illuminated switch tells you what’s live at a glance. Protected lines mean fewer distractions and more trust in the small decisions that carry you home.

For the late drive

Drivers adding 12v lights or accessories who want a straightforward, finished harness with integrated protection and a clean switch.

How it’s used

Connect to your 12v power and accessory, mount the round switch within reach, and route the mesh-wrapped line for a clean, protected install.
GGLighting brand cover

About the Maker

GGLighting: Powering Performance

GGLighting began in Southern California in 2009 with a single focus: make lighting that survives the rigors of off‑road racing and desert running. For more than 16 years the team has specialized in 12V accessory installation and off‑road lighting, pairing energy‑efficient LED designs with USA‑manufactured pillar mounts and components built to exacting standards. Race‑proven performance is backed by a lifetime warranty, and California‑based operations mean same‑day shipping and accessible showroom service (visit their retail showroom at 1020 E.). Buyers choose GGLighting when durability, reduced power draw, and straightforward installation matter—practical attributes for vehicles, workshops, and makers who demand lighting that works where it counts.
Explore GGLighting

Questions Answered

Helpful FAQs

What does this harness control?
It’s designed to wire 12v lights or accessories using the included relay, fuse, and round illuminated on/off switch.
What protection is included?
It includes a 40amp relay and a 30amp fuse, with the wiring wrapped in automotive-grade mesh for protection.
Is a switch included?
Yes, a round on/off switch with red illumination is part of the harness.
Are connectors supplied?
Yes, crimp/heat shrink connectors are included for secure terminations.
Will it work with a 12v system?
Yes, it’s made to wire 12v lights or accessories.