Top 10 300W Relay Harness – Automotive Replacement Electrical Wiring Harnesses

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1. MICTUNING

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MICTUNING HD 14AWG 300w LED Light Bar Wiring Harness Fuse 40 Amp Relay ON-OFF Rocker Switch Blue2Lead

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MICTUNING #ad - Mictuning heavy duty 2 lead 14awg wiring harness with on/off rocker switch and easy to install. 10ft extendable wiring harness:up to 10ft of wiring that is plenty of length to put it where you want. Great construction: 40a power relay and inline blade fuse for multiple safety protection.

It is 2 lead that with 2 lights output connection, it can hook with 1 heavy duty off road led light bar above 180w and two small light bar. Cautions:we recommend professional installation, we suggest that wrap all exposed wire with electrical tape to avoid a short circuit; Pls make sure your light within power 300W, pls let professinal installer to wire the harness kit; If let the wire short circuit, the harness would melt and even caught a fire, or it would got melt as well.

Our packing is being upgraded, so you may receive the wiring harness in the old packing. Details makes perfect: adopt flexible strand copper wire, up to 300 watt load capacity. It is universal fit for any 7" 10" 12" 20" 30" 40" 50" light bars that is within 300w. Both of them are genuine products, please used rest-assured.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height24 Inches
Length144 Inches
Width24 Inches
Part NumberH608011
ModelH608011
Warranty1 Year warranty for Genuine MICTUNING brand wiring harness kit, replacement of whole harness kit or accessories upon proof of defective of item itself.

2. MICTUNING

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MICTUNING HD 14AWG 300w LED Light Bar Wiring Harness Fuse 40Amp Relay ON-OFF Waterproof Switch1Lead

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MICTUNING #ad - 10ft extendable wiring harness:up to 10ft of wiring that is plenty of length to put it where you want. Details makes perfect: adopt flexible strand copper wire, up to 300 watt load capacity.

It is universal fit for any 7" 10" 12" 20" 30" 40" 50" light bars that is within 300w. Mictuning heavy duty 1 lead 14awg wiring harness with Waterproof Red on/off toggle switch and easy to install. Cautions:we recommend professional installation, we suggest that wrap all exposed wire with electrical tape to avoid a short circuit; Pls make sure your light within power 300W, pls let professinal installer to wire the harness kit; If let the wire short circuit, the harness would melt and even caught a fire, or it would got melt as well.

Great construction: 40a power relay & with inline blade Fuse for multiple safety protection. It is 1 lead that with one lights output connection, it can hook with 1 heavy duty off road led light bar above 180w.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height1.6 Inches
Length2 Inches
Width1 Inches
Part NumberH406011
ModelH406011
Warranty1 Year warranty for Genuine MICTUNING brand wiring harness kit, replacement of whole harness kit or accessories upon proof of defective of item itself.

3. YITAMOTOR

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Jeep, LED Light Up to 300W 12V 40A 9ft., SUV, Pickup, YITAMOTOR LED Light Bar Wiring Harness with Fuse Relay On&Off Switch for Light Bar Fog Lights Compatible for ATV

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YITAMOTOR #ad - Easily connects any lighting accessory to its power source by tapping into the battery directly. Safe construction - the 9 ft. Harness comes equipped with a fuse, relay and illuminated on/off switch.

Your satisfaction is backed by our Risk-free 30-Day Money Back Guarantee. All were tested rigorously by our professional technician before sells. Give it a shot, you will never go wrong with our YITAMOTOR 9ft. Wiring kit. Enhanced quality - the yitamotor wiring harness features heavy duty 14 gauge wires with waterproof thermoplastic PVC jacket that for better performance.

For all your lights - with up to 300w load capacity, hid or halogen off-road light bar, this wiring kit is compatible with any LED, work light or auxiliary light. Money back guarantee - making you a happy customer is our guideline. Easy installation - using red and black color code for easy hook up, this harness is flexible enough for mounting.
BrandYITAMOTOR #ad
ManufacturerYITAMOTOR #ad
Part Number1x_B-WB-d

4. MICTUNING

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MICTUNING HD 14AWG 300w LED Light Bar Wiring Harness Fuse 40Amp Relay ON-OFF Waterproof Switch2Lead

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MICTUNING #ad - Both of them are genuine products, please used rest-assured. Mictuning heavy duty 2 lead 14awg wiring harness with on/off rocker switch and easy to install. Great construction: 40a power relay and with inline blade fuse for multiple safety protection.

It is 2 lead that with 2 lights output connection, it can hook with 1 heavy duty off road led light bar above 180w and two small light bar. 10ft extendable wiring harness:up to 10ft of wiring that is plenty of length to put it where you want. Cautions:we recommend professional installation, we suggest that wrap all exposed wire with electrical tape to avoid a short circuit; Pls make sure your light within power 300W, the harness would melt and even caught a fire, pls let professinal installer to wire the harness kit; If let the wire short circuit, or it would got melt as well.

Our packing is being upgraded, so you may receive the wiring harness in the old packing. Details makes perfect: adopt flexible strand copper wire, up to 300 watt load capacity. It is universal fit for any 7" 10" 12" 20" 30" 40" 50" light bars that is within 300w.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height24 Inches
Length168 Inches
Width24 Inches
Part NumberH606011
ModelH606011
Warranty1 Yr Warranty

5. MICTUNING

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On-off Waterproof Switch Red2 Lead, MICTUNING HD+ 12 Gauge LED Light Bar Wiring Harness Kit with 60Amp Relay, 3 Free Fuse

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MICTUNING #ad - Details make perfect - pre-wired design of all spade connectors, plug-n-play! The 10ft long wire is flexible enough for mounting anywhere you wanted, convenient for Quick & Easy Installation, wrapped by a thermoplastic PVC jacket that insulates up to 105??, better protects against moisture and heat.

Early burnout defense - the inline water-resistant fuse and 60amp Relay efficiently protect the circuit against voltage spikes and burnouts, also come with 3 pieces of different amperes fuses, great for various LED light bar/work lights connection. Mictuning hd+ wiring harness kit with 2-leads - ultra heavy duty 12-gauge wires, Fog lights and other auxiliary lamps, suitable for offroad light bar, HID work lights, Spot lights, Your Expensive High-power LED Lights Deserved for Superior Quality Harness!.

Caution: professional installation of this harness kit is highly recommended. What you'll get - 1x hd+ wiring harness with on/off waterproof Switch, 1x User Manual, 3x fuses and 4x spade connectors. Waterproof on-off switch - equipped with premium spsT switch, simple touch on and shines charming red, moisture and water jets, sealed with a rubber ring that works against dust, Easy control your led light bar on/off!.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height26.4 Inches
Length144 Inches
Width26.4 Inches
Part NumberMIC-12GWH-B1002
Model13
Warranty1 Yr Warranty

6. Auto Power Plus

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Auto Power Plus Light Bar Wiring Harness w/ 5 Pin Rocker Switch 300W 12V 30A Fuse Relay Universal Nylon 2 Lead Wiring Harness Kit for Work Light Off Road Driving Fog Lights for Boat Trucks ATV UTV

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Auto Power Plus #ad - Features - made of flame-retardant material, with a flame-retardant coefficient of V-1, which is safer than most of the wire pack materials in the market. Compatible with all automobiles, it is universal fit for any size light bars, off road led lights, relay max. The words on the switch keep lighting up when powered on, can be easily found in dark light, with low power consumption, both of the pattern and words on the switch will keep blue indicator light after the led light bar light up.

Circuit: 40a, boats and devices equipped with 9-16V Input voltage. Protect from wear and Dust Resistant, high Temperature Resistant. Circuit : 30a, fog lights and other auxiliary lights that within 300W. Excellent switch - the waterproof 5 pin on/off rocker switch has extremely high sensitivity and has been tested repeatedly to ensure durability. Package and guarantee - package included 1 x 2 lead wiring harness, 1 x Relay, 1 x Fuse, 1 x On/Off rocker switch.

Provide our 30 days return or exchange guarantee, 1 year quality guarantee and 24-hours online after-sale services. Wide uses - our 2 lead light bar wiring harness with 300w load capacity, led work light, fuse max. Safe protection - 30a fuse and 40a 12v relay act as the first Line of defense against over-voltage, over-current, over-heat and short circuit protection to keep the whole circuits running safety. Up to 3 meter that is plenty of length to use it at wherever you want. Designed to provide trouble-free plug and play installation.
BrandAuto Power Plus #ad
ManufacturerAuto Power Plus #ad
Part Number702522

7. MICTUNING

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MICTUNING Heavy Duty 14AWG 300W 2-Circuit Led Light Bar Wiring Harness Kit with Fuse, Dual Waterproof Switches Red Blue14AWG, 60Amp Relay

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MICTUNING #ad - Heavy duty wires - ul approval, wrapped by thermoplastic insulated PVC jacket, 14awg premium copper wire, bears max. Mictuning dual purpose 2-circuit wiring harness- new style wire harness with 2 Toggle Switches, freely control one LED light bar with backlight or Separately control front and rear lights both on/off, single on/off.

All weather suitable - come with red and blue waterproof switches and a close-fitted fuse holder, Dust-tight, Sand-proof, Moisture and Water jets Resistant. Easy installation - operated at dc 12v, 10ft long wires for flexible mounting to your desired location. You'll get 1 yr mictuning limited warranty, lifetime technical support and friendly aftermarket service! Caution: Professional installation of this harness kit is highly recommended.

300 watts high power led lights, heat resistant up to 105?? Reliable defense - inline a 60a relay and a blade fuse, being as the first line of defense to well protect the whole harness from Over-current and Short circuit.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height26.4 Inches
Length144 Inches
Width26.4 Inches
Part NumberMIC-DSWH-072
Warranty1 Yr Warranty

8. Eyourlife

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Eyourlife Wiring Harness, Heavy Duty 300W 9ft Led Light Bar Wireless Harness Kit With Remote Control ON/OFF Strobe Switch Universal Fit For Driving Fog Light Work Light1 LEAD

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Eyourlife #ad - Package include 1x wiring Harness,1 X Flash Remote Control Kit. Guarantee:we stand behind our products 100% with a 12-month warranty.

Universal fit: compatible with all automobiles, boats and devices equipped with a 12V power source. Over 180ft control distance:wide range of control distance makes control the LED light bar more effective, but the distance will depend on different mounting location and environment. Wireless remote control:our remote switch design will improve your installation experience. You need not to organize cables from car battery to cab for no manual switch equipped. 4 modes control:switch on, switch off, fast and slow strobe flash.
BrandEyourlife #ad
ManufacturerEyourlife #ad
Part Number709202601373
Model7.09203E+11
Warranty2 Years

9. HUIQIAODS

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HUIQIAODS H11 880 881 H8 Universal 40A Relay Wiring Harness Kit Fits LED Automotive Fog Light Conversion Assemblies

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HUIQIAODS #ad - Designed to be compatible with HID Bulbs, A Solution choice for Flickering Bulbs Each Vehicle Varies. Compatibility list: h11, h8, h9, 880, and 881 HID Conversion Kits. Used to reinforce fog lights without need for a adapter. Reliable relay harness that Draws Power Straight from Battery. Increases visibility, and has long lasting non-fading lifetime.
BrandHUIQIAODS #ad
Manufacturerled light bar wiring harness #ad
Part Numberh11 fog light wiring harness kit
ModelH11 fog light connector plug

10. YUGUANG

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LED Light Bar Wiring Harness 14AWG, YUGUANG 3 Lead Universal Led Wiring Harness with 12V 40A Relay and Two Control Switches for Switching between Different Modes

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YUGUANG #ad - The length of light bar wiring harness from the relay to the power button is 10ft. The length power line is 1. 6ft/50cm. Plug & playsuper high quality nature of the led wiring harnesses kit makes it a must-have gadget for wiring whatever lights to your vehicles. It have the relay and fuse container already, 2 years warranty! If you have any questions, the 2 lead led wiring harness is easy to install, designed with 3 terminals can be used for muti-lights.

There are two button, you can switch the light mode throught button if you purchase dual color light. The length of led wiring harness from the relay to the light is 6. 5ft/198cm with circlip. Cautions and recommendationswe recommend professional installation the led wiring harnesses kit, the harness would melt and even caught a fire, please let professinal installer to wire the harness kit. Please make sure your light within power 300W, or it would got melt as well.

We offer you 30-days money back guarantee, please contact us and we will be at your service 24 hours a day. This is a new function that other traditional wiring harness doesn't have. Search "b07z61rhzb / b07ttfm1mc" to buy the new angel eye light bar and start your car DIY journey right now! Upgraded version wiring harnessit is different from traditional wiring harness, this light bar wiring harness add change light beam/light mode function. And is compatible with any led, the relay 12v, it fits for your 5'' 7" 10" 12" 20" 30" 40" light bars and so on.
BrandYUGUANG #ad
ManufacturerYUGUANG #ad
Part NumberYG Wiring Harness-3 Free Fuse
Warranty2 Years Warranty