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3 Pin 4 Output LED Auxiliary Light Wiring Harness Kit with 12V Relay, Inline Fuse & Four Sealed DT Waterproof Connectors
SKU: BS-WH-033
12V Four-Way LED Pod Light Wiring Harness, Heavy Duty Pre-Assembled Relay Loom with Replaceable Fuse, 4 DT Sealed Plugs for 4WD Pickup SUV Offroad 2–7 Inch LED Work Lights
Description
Product Overview
We are a professional OEM & ODM manufacturer focusing on automotive off-road lighting wiring looms and vehicle electrical modification accessories. This 4-output LED driving light wiring harness is fully pre-assembled with built-in 12V automotive relay, transparent covered inline fuse holder, and four independent sealed DT waterproof connectors. It is specially designed to power four separate sets of 2–7 inch LED cube pod lights, spotlights and fog lights simultaneously from one single vehicle power source.
Made of thick multi-strand pure copper wires and wrapped with flexible anti-abrasion PVC outer sleeve, this wiring loom delivers stable low-loss power output for medium-wattage offroad auxiliary lights. The integrated relay and replaceable fuse provide full over-current and short-circuit protection, effectively preventing overload damage to your vehicle’s original factory electrical circuit.
Product Features
- 1. Four Independent Sealed DT Waterproof Output Connectors Equipped with four standard 3-pin DT sealed male/female plugs, supporting four individual LED light groups running at the same time. Each connector is fitted with integrated rubber O-ring sealing gaskets, fully blocking splashing water, mud, dust, coastal salt fog and road deicing salt to avoid terminal oxidation and circuit short failure during harsh off-road travel.
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2. Built-In Heavy-Duty 12V Relay & Visible Replaceable Fuse Holder Comes with a high-current automotive relay with dedicated metal mounting tab for easy fixed installation inside the engine bay. Matched with transparent covered inline fuse holder, users can quickly inspect or replace blown fuses without disassembling the whole wiring harness, offering reliable full-circuit safety protection for vehicle battery and LED auxiliary lights.
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3. Heat & Vibration Resistant Heavy-Duty Wiring Loom The entire wire bundle is wrapped with thick black flexible PVC outer protective sleeve, featuring excellent heat insulation, abrasion resistance and anti-vibration performance. It prevents wire cracking, aging and melting under long-term high temperature inside engine compartments. Inner pure copper multi-strand wires ensure stable voltage transmission without light dimming or flickering under full rated load.
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4. Universal 12V Offroad Vehicle Compatibility Standard 12V electrical system design fits all 12V 4WD pickup trucks, SUVs, ATVs, UTVs, farm machinery and construction work vehicles. Perfectly matched with mainstream 2–7 inch LED cube pod lights, spotlights and fog lights; also compatible with short mini LED light bars within the total power limit. Not applicable for 24V heavy commercial trucks and extra-long large wattage light bars.
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5. Fully Pre-Assembled Plug & Play Design All relay, fuse, wiring cables and DT connectors are pre-wired and assembled in factory. No extra wire crimping, stripping or splicing required during installation. Only basic hand tools are needed to connect the positive/negative terminals to vehicle battery, greatly cutting down installation labor time for professional modification workshops.
Factory Production Advantages
- 1. Direct factory supply with tiered volume discount for full container bulk orders.
- 2. Strict multi-step pre-shipment inspection: wire thickness test, electrical continuity test, 48-hour salt spray waterproof test for DT connectors.
- 3. Stable monthly production capacity over 12,000 wiring harness sets, flexible lead time for urgent replenishment orders.
- 4. Complete ODM & OEM service: adjustable wire length, relay current, connector type, customized retail packaging design.
- 5. Two years warranty.




