ReviewsTrailer Brake Lights

Hopkins 50928 Tow Doctor Trailer End Wire Harness Test Unit

Designed so that one person can make sure a trailer has been wired properly and all functions are working.
Tests all trailer functions - left turn, brake, tail, backup lights, electric brakes, and auxiliary power.
Trailer lights illuminate and LED lights on the tester show function operation.
Adapts to 4 wire flat, 6 pole round, or 7 RV blade.
For electric brakes, magnets are activated to determine correct operation.

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SUZCO 25 Foot 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit 4-Way Plug 4 Pin 21 Male & 4 Female Extension Connector & Wishbone-Style with 18 Gauge White Ground Wire with SAE J1128

【ITEM TYPE】This is a 21ft male & 4 ft female 4-flat marine trailer wiring harness with 4-way conductors and a 2ft white ground wire, made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer. The 4 flat trailer wire is color-coded and bonded wire to easily splice into your trailer's wiring system, no need for splicing wires. This trailer wire harness kit is completely sealed for a long corrosion-resistant installation..
【EXTENSION INCLUDING】This 25foot 4 wire boat trailer wiring extension can conform to the SAE J1128 specification. Extends wiring system provides more flexibility. It can protect tow vehicle electronics from wiring shorts. Includes a 4-feet trunk connector, splices, and clips. This trailer wire harness kit also can work on an COPPER trailer based on the ground wire..
【ENOUGH LENGHT GROUND WIRE】This trailer wire extension with 4 way flat plug connector is designed to supply power for tail lights, turn and brake lights, as well as a ground connection. The white grounding wire is so enough long to wiring. The trailer side ground wire is about 2ft. Trailer wiring harness features a ground wire. The white ground wire is made of 18-gauge, which is corrosion resistant terminal..

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Partsam Submersible Under 80\ LED Trailer Light Kit,Square Stop Turn Tail RV Truck Lights w/Wire &Bracket,Red/Amber Side Fender Marker Lamps,3rd Brake ID Light Bar for Camper Truck RV Boat Snowmobile

Package included: this 12v led trailer lights kit has verything you need, 2Pcs square combination tail lights, 6Pcs Mini Oval side fender marker lights (2Red+4Amber), 1Pc 15 Inch Trailer 3rd brake identification light bar, 25ft wiring harness with 4-flat plug(long enough to reach end of trailer), license plate bracket, mounting hardware. Provides you with great convenience to upgrade your trailer lights at once.
Multi Functions: Function as running light, stop light, brake light, turn signal light, reverse light, flash light, rear reflex reflector, side marker light, side reflex reflector, license plate illuminator, clearance Light, identification light bar.
High Btightness: 15 Diodes ( 12 Red+3 Red ) LED Combination stop turn tail side marker light w/reflector-Curb side.
19 Diodes ( 12 Red+3 Red+4 White ) LED Combination stop turn tail side marker light w/reflector-Street side with license illuminator.
Advanced LED combination lights with better heat distribution, brighter and more energy-efficient than halogen bulbs. Guarantees reliable visibility and safety even in inclement weather.
Waterproof: The square trailer lights kit is completely sealed, it mean no water can enter inside to damage the circuit board. The screws have been removed from the l....

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SUZCO 36 Ft 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, Custom-Made 28' Male & 8' Female with 4' White Ground Wire, 4-Way Plug 4 Pin Male & Female Extension & Wishbone-Style & SAE J1128

【ITEM TYPE】This is our SUZCO custom-made vehicle-specific 36FT male & female 4-flat marine trailer wiring harness with 4-way conductors and a 4' white ground wire, it fits for longer trailers and for customers desiring to wire, made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer. This trailer wire harness kit is completely sealed for a long corrosion-resistant installation..
【36' EXTENSION INCLUDING】This 36foot 4 wire boat trailer wiring extension can conform to the SAE J1128 specification. Extends wiring system provides more flexibility. It can protect tow vehicle electronics from wiring shorts. Includes a 4-feet trunk connector, splices, and clips. This trailer wire harness kit also can work on an aluminum trailer based on the ground wire..
【ENOUGH LENGHT GROUND WIRE】This trailer wire extension with a 4 way flat plug connector is designed to supply power for tail lights, turn and brake lights, as well as a ground connection. The white grounding wire is so enough long to wiring. The trailer side ground wire is about 2ft. Trailer wiring harness features a ground wire. The white ground wire is made of 18-gauge, which is corrosion-resistant terminal..
【4-WAY CONNECTORS & FITMENT】You can inst....

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CURT 56056 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select GMC Acadia

EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle.
VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the GMC Acadia.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

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CURT 57224 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter Black

VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 4-way round....
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter. It features tabs on....
STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights and....
NO-SPLICE INSTALL. This 4-pin round to 4-pin flat trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing....
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from tough black plastic.

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CARROFIX Multi-Tow 4-Way to 7-Way RV Blade and 4-Way Flat Female Trailer Wiring Adapter Connector Kit

▶ Multi-Function Design - This dual-output vehicle end trailer wiring adapter converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet, making it easy to tow different trailers with your vehicle.
▶ Weather Resistant - This trailer wire connector comes with protective cover for 4 pin and 7 pin socket to keep the terminals clean when not in use. The wiring harness is also well-protected with the included split loom.
▶ Prewired for Easier Installation - The Trailer wiring harness plugs into existing 4-way flat connector and hardwires to existing wiring to get additional functions needed for 7-way (some splicing required).
▶ Standard Connection - This trailer wiring adapter's 4 Way flat output connects tail lights, brake lights, and turn signals, 7-Way connects tail, brake, reverse, turn signals, and auxiliary power.
▶ Easy and Cost Effective - Provide all the needed electrical and mounting hardware connector kit to provide BOTH the 4 and 7 wire plug in for your trailer.

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CURT 56394 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet Traverse , Black

EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle.
VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Chevrolet Traverse (factory tow package required).
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

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CURT 56076 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Pontiac Grand Prix , Black

EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle.
VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Pontiac Grand Prix.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

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CZC AUTO 12V LED Magnetic Towing Light Kit for Boat Trailer RV Truck - Magnetic Strength 55 Pounds

STRONG MAGNETS: CZC AUTO 55 pounds magnetic trailer lights for towing holded so firmly to automobile metal surfaces, the lights will not fell off during working. You could also tie them to the trailer with zip ties if you need. Protective label on the base avoid surface scratches. Strong magnet but easy to remove by adult when you don't need them.
2 SIDED TOWING LIGHTS: With 4.25'' red & amber lens, our magnet trailer lights work on both side, red on the back, amber on the front. Our portable trailer lights can be seen in the rear-view mirror, so you could check if they are working when you are driving. 12V wiring easily connect to most automotive electrical systems, great for cargo trailers, boat, ATVs, snowmobiles, and campers.
WORK OUT OF BOX: Use our towing lights with no splicing, the only wiring you might to do is on the tow vehicle. Wire distance between lights is 7'/84'', ideal for towing applications up to 80'' wide like trailer, truck, RV etc.. Wire harness length between 4 standard pin male connector and light unit is 20'/240'', easily connect. We offer 4 Quick Splice Wire Terminals for quick spli....

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CURT 58145 Heavy-Duty Trailer-Side 7-Pin RV Blade Wiring Harness Connector Black

EASY GRIP. Plugging in your trailer wiring and trailer lights is comfortable and easy with the ergonomic design of this heavy-duty trailer plug. It features a handle-shaped body for a solid grip when plugging in or unplugging trailer wiring.
WEATHER-RESISTANT. This trailer wiring plug comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
RELIABLE CONNECTION. This heavy-duty 7-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
VERSATILE DESIGN. This connector makes a great upgrade or replacement 7-way RV blade connector and is interchangeable with virtually any trailer-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this heavy-duty 7-pin trailer wiring plug is made from durable black plast....

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