Shop 4 Wire Trailer Light Wiring

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True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
18% off
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
$56.78
Curt 4-Way Flat Trailer Connector With Circuit Protected Powered Tail Light Converter C85FV
etrailer.com
$56.78
Curt 4-Way Flat Trailer Connector With Circuit Protected Powered Tail Light Converter C85FV
etrailer.com
$7.99
4 Pin Trailer Wiring Harness 3FT, 18 AWG 4 Way Flat Trailer Wiring Extension Connector Harness Vehicle Side Trailer Side 4 Prong Trailer Light Plug
Amazon.com
58
$7.99
4 Pin Trailer Wiring Harness 3FT, 18 AWG 4 Way Flat Trailer Wiring Extension Connector Harness Vehicle Side Trailer Side 4 Prong Trailer Light Plug
Amazon.com
58
$74.65
ALL STAR TRUCK PARTS Heavy Duty 14 Gauge 4 Way CCA Conductor Wire RV Trailer Cable Cord Insulated Stranded Copper Clad Aluminum 4 Conductor Color
Amazon.com
1
Free shipping
$74.65
ALL STAR TRUCK PARTS Heavy Duty 14 Gauge 4 Way CCA Conductor Wire RV Trailer Cable Cord Insulated Stranded Copper Clad Aluminum 4 Conductor Color
Amazon.com
1
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$71.98
100.00% Pure Copper 100ft 4 Way Trailer Wiring Harness 14 Gauge Bonded Wire Spool, 4-Pin Flat Extension Replacement Wiring Insulated Cable Cord Fit
Amazon.com
1
Free shipping
$71.98
100.00% Pure Copper 100ft 4 Way Trailer Wiring Harness 14 Gauge Bonded Wire Spool, 4-Pin Flat Extension Replacement Wiring Insulated Cable Cord Fit
Amazon.com
1
$19.99
Serlainxin 50Foot 4Pin 5Wire Trailer Wire Harness, Premium Towing Wiring Solution, Extended Length Boat Trailer Wiring Kit, 4-Way Trailer Light Wire
Amazon.com
175
$19.99
Serlainxin 50Foot 4Pin 5Wire Trailer Wire Harness, Premium Towing Wiring Solution, Extended Length Boat Trailer Wiring Kit, 4-Way Trailer Light Wire
Amazon.com
175
$7.12
Hopkins 4-Way Flat Trailer Connector W/ 48" Harness HM48035
etrailer.com
47
$7.12
Hopkins 4-Way Flat Trailer Connector W/ 48" Harness HM48035
etrailer.com
47
$10.83
Curt 4-Way Flat Trailer Connector W/ 60" Harness And Wire Taps C58044
etrailer.com
100
$10.83
Curt 4-Way Flat Trailer Connector W/ 60" Harness And Wire Taps C58044
etrailer.com
100
$22.64
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 41125
etrailer.com
1K+
$22.64
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 41125
etrailer.com
1K+
$18.95
MECMO Vehicle-Side 4 Pin Trailer Wire Connector 10 Feet Heavy Duty 18AWG 4 Way Flat Female Trailer Wiring Harness Towing Replacement 4 Prong Trailer
Amazon.com
2
$18.95
MECMO Vehicle-Side 4 Pin Trailer Wire Connector 10 Feet Heavy Duty 18AWG 4 Way Flat Female Trailer Wiring Harness Towing Replacement 4 Prong Trailer
Amazon.com
2
$22.99
CURT 4-Way Flat Connector For Rewiring Trailer, Includes 20' Wires (Packaged) Trailer Connector Kit
TowUniverse.com
117
$22.99
CURT 4-Way Flat Connector For Rewiring Trailer, Includes 20' Wires (Packaged) Trailer Connector Kit
TowUniverse.com
117
$12.99
MECMO 9ft Trailer 4 Pin Flat Wire Extension Cable, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug
Amazon.com
5
$12.99
MECMO 9ft Trailer 4 Pin Flat Wire Extension Cable, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug
Amazon.com
5
$9.49
20 Gauge 4 Conductor Wire, 10ft 20/4 Tinned Copper 4 Wire Cable, Stranded Electrical Wires For Speaker,Automotive,Thermostat,Trailer,Irrigation,
Amazon.com
9
$9.49
20 Gauge 4 Conductor Wire, 10ft 20/4 Tinned Copper 4 Wire Cable, Stranded Electrical Wires For Speaker,Automotive,Thermostat,Trailer,Irrigation,
Amazon.com
9
$26.99
WALSIO 36ft 4 Pin 5 Wire Trailer Wiring Harness With PVC Protective Tube, 4 Way Flat Trailer Connector, Trailer Lights And Wiring Kit, Trailer Wire
Amazon.com
3
$26.99
WALSIO 36ft 4 Pin 5 Wire Trailer Wiring Harness With PVC Protective Tube, 4 Way Flat Trailer Connector, Trailer Lights And Wiring Kit, Trailer Wire
Amazon.com
3
$14.99
Gubrdfrsod 16AWG 5ft 4 Pin Trailer Connector Black 4 Pin Trailer Wiring Harness Pure Copper 4 Wire Trailer Wire With Jacketed Heavy Duty 4 Way Trailer
Amazon.com
92
$14.99
Gubrdfrsod 16AWG 5ft 4 Pin Trailer Connector Black 4 Pin Trailer Wiring Harness Pure Copper 4 Wire Trailer Wire With Jacketed Heavy Duty 4 Way Trailer
Amazon.com
92
$26.94
Curt Tail Light Converter With 4-Way Flat Trailer Connector C56175
etrailer.com
126
$26.94
Curt Tail Light Converter With 4-Way Flat Trailer Connector C56175
etrailer.com
126
$12.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires Trailer Connector Kit
TowUniverse.com
3
$12.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires Trailer Connector Kit
TowUniverse.com
3
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
498
Free shipping
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
498
$6.99
CURT 4-Way Flat Connector Plug With 12" Wires (Trailer Side) Trailer Connector Kit
TowUniverse.com
4K+
$6.99
CURT 4-Way Flat Connector Plug With 12" Wires (Trailer Side) Trailer Connector Kit
TowUniverse.com
4K+
$39.99
Serlainxin 14 Gauge 100ft Trailer Wiring Harness, Heavy Duty 4-Wire Trailer Wiring Kit, Wishbond Color-Coded Waterproof 4 Way Trailer Wire Kit For
Amazon.com
372
Free shipping
$39.99
Serlainxin 14 Gauge 100ft Trailer Wiring Harness, Heavy Duty 4-Wire Trailer Wiring Kit, Wishbond Color-Coded Waterproof 4 Way Trailer Wire Kit For
Amazon.com
372
$8.49
$9.09
4 Pin Trailer Plug Extender Trailer Wire Extension Harness Quick-Connect Trailer Adapter Extender 4 Way Flat Male And Female Wiring Harness Adapter
Amazon.com
263
$8.49
$9.09
4 Pin Trailer Plug Extender Trailer Wire Extension Harness Quick-Connect Trailer Adapter Extender 4 Way Flat Male And Female Wiring Harness Adapter
Amazon.com
263
$21.97
20' Foot 4 Wire Trailer Wiring Heavy Duty Color Coded USA Seller Fast Shipping
Walmart
Free shipping
$21.97
20' Foot 4 Wire Trailer Wiring Heavy Duty Color Coded USA Seller Fast Shipping
Walmart
Free shipping
$19.95
4-Wire X 25' Split Trailer Harness Kit V5425Y
Trailer Parts Superstore
13
$19.95
4-Wire X 25' Split Trailer Harness Kit V5425Y
Trailer Parts Superstore
13
$51.60
$86.00
4 Way Trailer Wire - 14 Gauge 4 Conductor 75ft Pure Copper Heavy Duty Cable Extension Rv Trailer Wiring Cord Insulated 14/4 Cable For Rv And Automotive(14AWG/4/10FT)
strangerinteractive
40% off
$51.60
$86.00
4 Way Trailer Wire - 14 Gauge 4 Conductor 75ft Pure Copper Heavy Duty Cable Extension Rv Trailer Wiring Cord Insulated 14/4 Cable For Rv And Automotive(14AWG/4/10FT)
strangerinteractive
$12.99
CURT 58044 Vehicle-Side 4-Pin Flat Trailer Wiring Harness With 60-Inch Wires
TowUniverse.com
100
$12.99
CURT 58044 Vehicle-Side 4-Pin Flat Trailer Wiring Harness With 60-Inch Wires
TowUniverse.com
100
$17.99
Aila 25ft 4 Pin 5 Way Trailer Wiring Harness Kit With Black Nylon Protective Sleeve, Quick-Connect 4 Pin Flat Extension Connector, Color-Coded Wire
Amazon.com
9
$17.99
Aila 25ft 4 Pin 5 Way Trailer Wiring Harness Kit With Black Nylon Protective Sleeve, Quick-Connect 4 Pin Flat Extension Connector, Color-Coded Wire
Amazon.com
9
$115.75
Curt T-Connector Vehicle Wiring Harness With 4-Pole Flat Trailer Connector C36ZV
etrailer.com
85
$115.75
Curt T-Connector Vehicle Wiring Harness With 4-Pole Flat Trailer Connector C36ZV
etrailer.com
85
$31.86
$50.98
4 Way Trailer Wire Harness 14Ga 100ft Insulated Stranded Cable Copper Clad
bosaasforge
37% off
$31.86
$50.98
4 Way Trailer Wire Harness 14Ga 100ft Insulated Stranded Cable Copper Clad
bosaasforge
$57.92
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 33355
etrailer.com
$57.92
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 33355
etrailer.com
$4.22
Wesbar 4-Way Flat Trailer End Wire Harness 18"
Defender Marine
4
$4.22
Wesbar 4-Way Flat Trailer End Wire Harness 18"
Defender Marine
4
$17.11
25 ft. Wishbone 4-Way Trailer Wiring Harness With 42" Ground Wire A25W42B
etrailer.com
$17.11
25 ft. Wishbone 4-Way Trailer Wiring Harness With 42" Ground Wire A25W42B
etrailer.com
$16.99
Bass Pro Shops 4-Way Trailer Wire Harness Kit
Bass Pro Shops
$16.99
Bass Pro Shops 4-Way Trailer Wire Harness Kit
Bass Pro Shops
$15.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires (Packaged) Trailer Connector Kit
TowUniverse.com
115
$15.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires (Packaged) Trailer Connector Kit
TowUniverse.com
115
$79.29
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector HM11143265
etrailer.com
$79.29
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector HM11143265
etrailer.com
$13.99
Optronics 20ft 4-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground
Super Bright LEDs
$13.99
Optronics 20ft 4-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground
Super Bright LEDs
How to Wire Trailer Lights Made Easy
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How to Wire Trailer Lights Made Easy
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instructables.com
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4-Way Flat Trailer Wiring Review
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4-Pin Trailer Wiring Installation: Step-by-Step Guide!
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How to install lights and wiring on your trailer
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How to Test and Wire Trailer Lights Using a Hopkins 4 Flat Connector …
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How to Install Trailer Lights on most Vehicles Easy.
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How to replace your boat trailer wiring and lights..The easy Way
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Shop 4 Wire Trailer Light Wiring

Sponsored
About our ads
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
18% off
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
$56.78
Curt 4-Way Flat Trailer Connector With Circuit Protected Powered Tail Light Converter C85FV
etrailer.com
$56.78
Curt 4-Way Flat Trailer Connector With Circuit Protected Powered Tail Light Converter C85FV
etrailer.com
$7.99
4 Pin Trailer Wiring Harness 3FT, 18 AWG 4 Way Flat Trailer Wiring Extension Connector Harness Vehicle Side Trailer Side 4 Prong Trailer Light Plug
Amazon.com
58
$7.99
4 Pin Trailer Wiring Harness 3FT, 18 AWG 4 Way Flat Trailer Wiring Extension Connector Harness Vehicle Side Trailer Side 4 Prong Trailer Light Plug
Amazon.com
58
$74.65
ALL STAR TRUCK PARTS Heavy Duty 14 Gauge 4 Way CCA Conductor Wire RV Trailer Cable Cord Insulated Stranded Copper Clad Aluminum 4 Conductor Color
Amazon.com
1
Free shipping
$74.65
ALL STAR TRUCK PARTS Heavy Duty 14 Gauge 4 Way CCA Conductor Wire RV Trailer Cable Cord Insulated Stranded Copper Clad Aluminum 4 Conductor Color
Amazon.com
1
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$71.98
100.00% Pure Copper 100ft 4 Way Trailer Wiring Harness 14 Gauge Bonded Wire Spool, 4-Pin Flat Extension Replacement Wiring Insulated Cable Cord Fit
Amazon.com
1
Free shipping
$71.98
100.00% Pure Copper 100ft 4 Way Trailer Wiring Harness 14 Gauge Bonded Wire Spool, 4-Pin Flat Extension Replacement Wiring Insulated Cable Cord Fit
Amazon.com
1
$19.99
Serlainxin 50Foot 4Pin 5Wire Trailer Wire Harness, Premium Towing Wiring Solution, Extended Length Boat Trailer Wiring Kit, 4-Way Trailer Light Wire
Amazon.com
175
$19.99
Serlainxin 50Foot 4Pin 5Wire Trailer Wire Harness, Premium Towing Wiring Solution, Extended Length Boat Trailer Wiring Kit, 4-Way Trailer Light Wire
Amazon.com
175
$7.12
Hopkins 4-Way Flat Trailer Connector W/ 48" Harness HM48035
etrailer.com
47
$7.12
Hopkins 4-Way Flat Trailer Connector W/ 48" Harness HM48035
etrailer.com
47
$10.83
Curt 4-Way Flat Trailer Connector W/ 60" Harness And Wire Taps C58044
etrailer.com
100
$10.83
Curt 4-Way Flat Trailer Connector W/ 60" Harness And Wire Taps C58044
etrailer.com
100
$22.64
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 41125
etrailer.com
1K+
$22.64
Hopkins Plug-In Simple Vehicle Wiring Harness With 4-Pole Flat Trailer Connector 41125
etrailer.com
1K+
$18.95
MECMO Vehicle-Side 4 Pin Trailer Wire Connector 10 Feet Heavy Duty 18AWG 4 Way Flat Female Trailer Wiring Harness Towing Replacement 4 Prong Trailer
Amazon.com
2
$18.95
MECMO Vehicle-Side 4 Pin Trailer Wire Connector 10 Feet Heavy Duty 18AWG 4 Way Flat Female Trailer Wiring Harness Towing Replacement 4 Prong Trailer
Amazon.com
2
$22.99
CURT 4-Way Flat Connector For Rewiring Trailer, Includes 20' Wires (Packaged) Trailer Connector Kit
TowUniverse.com
117
$22.99
CURT 4-Way Flat Connector For Rewiring Trailer, Includes 20' Wires (Packaged) Trailer Connector Kit
TowUniverse.com
117
$12.99
MECMO 9ft Trailer 4 Pin Flat Wire Extension Cable, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug
Amazon.com
5
$12.99
MECMO 9ft Trailer 4 Pin Flat Wire Extension Cable, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug
Amazon.com
5
$9.49
20 Gauge 4 Conductor Wire, 10ft 20/4 Tinned Copper 4 Wire Cable, Stranded Electrical Wires For Speaker,Automotive,Thermostat,Trailer,Irrigation,
Amazon.com
9
$9.49
20 Gauge 4 Conductor Wire, 10ft 20/4 Tinned Copper 4 Wire Cable, Stranded Electrical Wires For Speaker,Automotive,Thermostat,Trailer,Irrigation,
Amazon.com
9
$26.99
WALSIO 36ft 4 Pin 5 Wire Trailer Wiring Harness With PVC Protective Tube, 4 Way Flat Trailer Connector, Trailer Lights And Wiring Kit, Trailer Wire
Amazon.com
3
$26.99
WALSIO 36ft 4 Pin 5 Wire Trailer Wiring Harness With PVC Protective Tube, 4 Way Flat Trailer Connector, Trailer Lights And Wiring Kit, Trailer Wire
Amazon.com
3
$14.99
Gubrdfrsod 16AWG 5ft 4 Pin Trailer Connector Black 4 Pin Trailer Wiring Harness Pure Copper 4 Wire Trailer Wire With Jacketed Heavy Duty 4 Way Trailer
Amazon.com
92
$14.99
Gubrdfrsod 16AWG 5ft 4 Pin Trailer Connector Black 4 Pin Trailer Wiring Harness Pure Copper 4 Wire Trailer Wire With Jacketed Heavy Duty 4 Way Trailer
Amazon.com
92
$26.94
Curt Tail Light Converter With 4-Way Flat Trailer Connector C56175
etrailer.com
126
$26.94
Curt Tail Light Converter With 4-Way Flat Trailer Connector C56175
etrailer.com
126
$12.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires Trailer Connector Kit
TowUniverse.com
3
$12.99
CURT 4-Way Flat Connector Plug & Socket With 72" Wires Trailer Connector Kit
TowUniverse.com
3