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Trailer Wiring - Plug and Lead, Hopkins


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Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard
Hopkins Trailer Wiring

(900 reviews)


Code: H20046

Retail: $52.29
Our Price: $46.90
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for...

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Hopkins 7-Way Molded Trailer Wire Connector - 11' Long
Hopkins Trailer Wiring

(174 reviews)


Code: HM20048

Retail: $78.39
Our Price: $57.90
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 11 - 20 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Black Wire 12 Volt (Hot Lead) Black Wire Green Wire Tail Lights Brown Wire Brown Wire Right Turn Green Wire Blue Wire Brake Power Blue Wire Yellow Wire Reverse Purple Wire Red Wire Left Turn Yellow Wire...

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Hopkins Plug-In Trailer Connector Adapter - 4-Way Flat to 7-Blade
Hopkins Trailer Wiring

(22 reviews)


Code: HM54RV

Retail: $42.11
Our Price: $27.74
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 4 Flat
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Features: Allows you to use your existing 4-flat wiring harness with a 7-way plug on a trailer Great for if you borrow a trailer with a 7-way and only have a 4-way on your vehicle Gives you all of...

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Hopkins Active Tail Light Converter with Install Kit
Hopkins Trailer Wiring

(87 reviews)


Code: 46255

Retail: $93.59
Our Price: $76.05
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Vehicle End Connector
  • Plug and Lead
  • 4 Flat
  • Hopkins


...Features: 5 Amp capacity Install kit Includes: 14-Gauge power lead wire Quick-splice connectors Fuse holder and fuse Self-tapping screw Zip-ties Terminal grease...

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7-Way Molded Trailer Wire Connector, 6' Long - Hopkins
Hopkins Trailer Wiring

(377 reviews)


Code: H20044

Retail: $65.42
Our Price: $45.99
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Trailer Connector RV Style 7-Way Blade with 6' lead Pre-wired 7-Way Trailer Connector Measures 6 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge...

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7-Way Molded Trailer Wire Connector, 4' Long - Hopkins
Hopkins Trailer Wiring

(366 reviews)


Code: H20043

Retail: $60.39
Our Price: $40.10
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 0 - 5 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Trailer Connector RV Style 7-Way Blade with 4' lead Pre-wired 7-Way Trailer Connector Measures 4 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge...

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Hopkins 7-Way RV Style Connector w/ Molded Cable and LED Test Lights - Trailer End - 8' Long
Hopkins Trailer Wiring

(124 reviews)


Code: HM20087

Retail: $69.90
Our Price: $65.32
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...connector is receiving power from your tow vehicle Labeled for each function on your trailer Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for easier positioning when...

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Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat
Hopkins Trailer Wiring

(187 reviews)


Code: HM47065

Retail: $48.99
Our Price: $38.01
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • Hopkins


...Adapters provide increased durability and the additional length that may be necessary to reach between the tow vehicle's socket and the trailer/towed vehicle's plug....

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Hopkins Trailer Connector Adapter - 7-Way RV Style Blade Plug to 7-Pole Round Pin
Hopkins Trailer Wiring

(122 reviews)


Code: 47595

Retail: $41.29
Our Price: $32.71
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Round
  • Hopkins


...Features: Adapter converts your 7-way, RV blade-style, vehicle-end trailer connector to a 7-way, round-pin connector 7-Way, blade-style plug connector on adapter Joins with 7-way, blade-style socket...

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Hopkins Endurance Easy-Pull Harness w/ 4-Pole Flat Connector - Trailer End - Jacketed - 48"
Hopkins Trailer Wiring

(128 reviews)


Code: HM38134

Retail: $23.34
Our Price: $12.41
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 0 - 5 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...when you are pulling them apart, forcing you to wriggle the plugs back and forth to loosen them. Some users even pull on the wires. This can lead to broken terminals or ripped wiring. With the Easy-Pull...

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Hopkins 7-Way Blade Style Connector with Molded Cable - Trailer End - 8' Long - Auto Standard
Hopkins Trailer Wiring

(74 reviews)


Code: HM20041

Our Price: $84.10
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for...

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Adapter 4 Pole to 6 Pole and 4 Pole Trailer Wiring Adapter - Hopkins
Hopkins Trailer Wiring

(64 reviews)


Code: 37175

Retail: $45.17
Our Price: $40.01
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 4 Flat
  • Plug and Lead
  • 6 Round
  • 4 Flat
  • Hopkins


...Adapter converts from 4 pole wiring on vehicle to 6 pole round plug and 4 pole flat. Additional wire leads for brake and an accessory. 4 Pole to 6 pole and 4 pole vehicle side trailer wiring adapter...

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Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow
Hopkins Trailer Wiring

(63 reviews)


Code: HM47075

Retail: $54.69
Our Price: $46.07
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 5 Flat
  • Hopkins


...reach between the tow vehicle's socket and the trailer/towed vehicle's plug....

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Adapter 6-Pole to 7-Pole Trailer Wiring Adapter - Hopkins
Hopkins Trailer Wiring

(123 reviews)


Code: 47435

Retail: $32.79
Our Price: $21.23
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 6 Round
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


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Hopkins Heavy-Duty Trailer Coiled Wire Adapter 7-Way to 5-Way Flat with Nite-Glow
Hopkins Trailer Wiring

(55 reviews)


Code: HM47025

Retail: $64.54
Our Price: $46.33
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 5 Flat
  • Hopkins


...Flex Coil Adapters provide increased durability and the additional length that may be necessary to reach between the tow vehicle's socket and the trailer/towed vehicle's plug. In addition...

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Hopkins Endurance 4-Way Flat Trailer Wiring Harness - 20' Long
Hopkins Trailer Wiring

(58 reviews)


Code: HM48240

Retail: $43.98
Our Price: $26.94
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 11 - 20 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...ground terminal ensures proper grounding Nylon sleeve and heat-shrink tubing protect wires Specs: Connector: 4-way flat Harness length: 20' Ground wire length: 36" 3-Year warranty...

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Hopkins Wiring Harness with 5-Pole Flat Trailer Connector - Trailer End - 18" Long
Hopkins Trailer Wiring

(25 reviews)


Code: HM37918

Our Price: $17.44
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 0 - 5 Feet Long
  • Plug and Lead
  • 5 Flat
  • Hopkins


...Features: 5-Way flat trailer-end connector plugs into the connector on your vehicle to power your trailer's signal lights Includes reverse function to release brakes when backing up Ideal for use...

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Hopkins Endurance Easy-Pull Y-Harness with 4-Pole Flat Trailer Connector - Trailer End - 20'
Hopkins Trailer Wiring

(11 reviews)


Code: HM48244

Retail: $36.03
Our Price: $25.57
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 11 - 20 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...you to wriggle the plugs back and forth to loosen them. Some users even pull on the wires. This can lead to broken terminals or ripped wiring. With the Easy-Pull harness, the plug has a large grip ring...

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Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 4' Long
Hopkins Trailer Wiring

(66 reviews)


Code: HM38138

Our Price: $6.02
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 0 - 5 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...Features: 4-Way flat trailer-end connector plugs into the 4-way flat on your vehicle Simple installation Hardwire to existing trailer wiring Corrosion-resistant terminals are long-lasting SAE...

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Hopkins Heavy-Duty, Coiled Trailer Connector Adapter - 7-Way to 6-Pole Round - Center Pin 12V Power
Hopkins Trailer Wiring

(29 reviews)


Code: HM47083

Retail: $82.05
Our Price: $60.85
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 6 Round
  • Hopkins


...vehicle's socket and the trailer/towed vehicle's plug....

More Information >


Explore Expert Info Our Expert
on Trailer Wiring

Videos

for Trailer Wiring

Help Articles

for Trailer Wiring

Expert Answers

for Trailer Wiring


48" Long 4-Pole Loop with Cover - Hopkins
Hopkins Trailer Wiring

(93 reviews)


Code: HM47115

Retail: $24.32
Our Price: $10.87
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 4 Flat
  • Plug and Lead
  • 4 Flat
  • Hopkins


...4-Way Flat Wiring Harness Extension Extends your current 4-way connector 48" Includes cover and grease...

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Hopkins Endurance 4-Way Flat Trailer Wiring Harness - 30' Long
Hopkins Trailer Wiring

(27 reviews)


Code: HM48265

Retail: $33.75
Our Price: $27.89
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 21 - 30 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...Heavy-duty connector housings have built-in mounting holes Tin-plated terminals resist corrosion White grounding wiring included Serrated ground terminal ensures proper grounding Nylon sleeve and heat-shrink...

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Hopkins Endurance Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit
Hopkins Trailer Wiring

(5 reviews)


Code: HM46370

Retail: $114.29
Our Price: $85.84
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Vehicle End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 4 Flat
  • Hopkins


...we'd recommend you grab a few and swap them out for the quick-splices in this kit. Use a circuit tester on the plug terminals once the harness is installed to make sure everything's working...

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Hopkins 7-Way RV Style Connector w/ Molded Cable and LED Test Lights - Trailer End - 6' Long
Hopkins Trailer Wiring

(22 reviews)


Code: HM20086

Retail: $54.99
Our Price: $50.51
In Stock
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 6 - 10 Feet Long
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...connector is receiving power from your tow vehicle Labeled for each function on your trailer Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for easier positioning when...

More Information >



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Hopkins Plug and Lead Trailer Wiring: Reliable Connections

Hopkins Plug and Lead trailer wiring solutions are perfect for ensuring your trailer lights work seamlessly with your vehicle. Whether you're connecting farm equipment or converting a boat trailer harness, these products offer durable, high-quality connections. Ideal for enthusiasts who need reliable wiring for various towing setups.

Hopkins Plug and Lead products provide robust connections that ensure your trailer lights function correctly with your vehicle. They are designed to handle different wiring setups, like converting a 4-wire boat trailer harness to a 5-wire system, making them versatile for various towing needs.
Hopkins wiring adapters are known for their quality and durability. They often feature heavier gauge wires, which are ideal for long-lasting connections. These adapters can simplify complex wiring setups, ensuring your trailer lights are visible and compliant with road safety standards.
When installing Hopkins Plug and Lead wiring, it's crucial to verify wire color functions, as they may not always match standard codes. Using a test light or continuity tester can help ensure correct connections. The installation is generally straightforward, often enhancing the overall setup with features like integrated LEDs.
Hopkins is a great choice for farm equipment because their wiring solutions can adapt different connector types, like 7-pin round to 7-pin blade, ensuring your equipment lights work properly on the road. This adaptability is crucial for safely transporting farm machinery.
A common issue is non-standard wire colors, which can be resolved by testing each wire's function before installation. Despite this, Hopkins products are praised for their quality and ease of use, making them a reliable choice for trailer wiring needs.