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Result: 4 prong to 3 prong adapter

3-Wire Adapter for LED Lights - 3-Prong PL-3 Plug to AMP - 7-3/4" Long

Retail: $26.68
Our Price: $11.33
In Stock
This 3-wire adapter harness allows you to install a Peterson LED light using an existing 3-prong trailer wiring harness. Harness has a female PL-3 plug to connect to your existing wiring and a male ...
Features: Y-adapter harness allows you to install a Peterson LED light using an existing 3-prong trailer wiring harness Designed specifically for use with stop/tail/turn lights, parking/turn lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Peterson
  • Three Wire
  • Straight Pigtail

Adapter 4-Pole to 7-Pole and 4-Pole

Retail: $59.27
Our Price: $55.79
In Stock
Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory.Features: Adapter converts from 4-pole wiring on your vehicle to 7-pole round plug and 4-pole flat wiring for trailer side Adds additional wire leads for brakes, power, and accessory wiring Wire
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Pollak 7 Pole to 4 Way Connector Adapter

Retail: $20.74
Our Price: $10.37
In Stock
Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.Features: 7-Pole RV connector to 4-way flat adapter Promotes quick and easy conversion of 7-pole, RV-style connector to 4-way flat connector Allows 1 vehicle to tow either campers or boat trailers
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Pollak
  • Universal Fit

Adapter 7 Pole to 4 Pole with Tester and Cover

Retail: $18.96
Our Price: $10.60
In Stock
If your truck has the connector on the left, and your trailer has the connector on the right, you will want this adapter. Vehicle End Trailer End Similar to 18142 and 30702
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Curt Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat

Retail: $55.05
Our Price: $33.94
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.Features: Adapts 4-way flat to both 7-way RV and 4-way flat 4-Way flat output connects tail lights, brake lights, and turn signals 7-Way connects tail, brake, reverse, turn signals, and auxiliary
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • CURT
  • Universal Fit

3-Wire Y-Adapter for Peterson Trailer Tail Lights - 3-Prong PL-3 Plug - 12" Long

Retail: $29.34
Our Price: $22.00
In Stock
This 3-Wire, Y-adapter harness allows you to install 2 Peterson lights using an existing 3-prong trailer wiring harness. Harness has 2 male PL-3 plugs and 1 female PL-3 plug.Features: Y-adapter harness allows you to install 2 Peterson lights using an existing 3-prong trailer wiring harness Designed specifically for use with stop/tail/turn lights, parking/turn lights, and
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Peterson
  • Three Wire
  • Y-Adapter

3-Wire Y-Adapter for LED Lights - 3-Prong PL-3 Plug to Dual AMP - 12" Long

Our Price: $21.02
In Stock
This 3-wire, Y-adapter harness allows you to install 2 Peterson LED lights using an existing 3-prong trailer wiring harness. Harness has a female PL-3 plug to connect to your existing wiring and 2 ...
Features: Y-adapter harness allows you to install 2 Peterson LED lights using an existing 3-prong trailer wiring harness Designed specifically for use with stop/tail/turn lights, parking/turn lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Peterson
  • Three Wire
  • Y-Adapter

Camco Power Grip Generator Plug Adapter for RV Power Cord - 30 Amps - 3 Prong Twist Lock

Retail: $19.99
Our Price: $17.09
Connect your RV's 30-amp power plug to a 30-amp twist-lock receptacle on a generator with this round adapter. 3-Prong twist-lock design keeps the plug from disconnecting as your generator ...
twist-lock generator receptacle Twist-lock design on male side keeps the connector from vibrating loose when it's plugged into the generator 3 Prongs for L5-30 locking plug receptacle Yellow adapter is
  • Adapter Plug
  • 30 Amp to 30 Amp
  • Camco
  • 30 Amp Female Plug
  • Plug Only

Camco Power Grip Generator Adapter for RV Power Cord - 125V - 30 Amps - 3 Prong Twist Lock

Retail: $38.70
Our Price: $32.51
Connect your RV's 30-amp power plug to a 30-amp twist-lock outlet on a generator with this 125V adapter. 3-Prong twist-lock design keeps the cord from disconnecting as your generator vibrates ...
Features: 125-Volt adapter cord converts your RV's 30-amp power plug to work with a 30-amp twist-lock outlet on a generator Female end connects to your RV's 30-amp power plug Male end plugs
  • Standard Adapter
  • 30 Amp to 30 Amp
  • Camco
  • 30 Amp Female Plug
  • 1 Foot Long

Furrion RV Power Cord Adapter - 50A Female to 30A 4-Prong Male - Black

Retail: $64.27
Our Price: $44.28
Easily adapt your RV's 50-amp power cord for use with a 30-amp, 4-prong extension cord. 90-Degree female end makes it easy to connect and disconnect the adapter, even in tight spaces. Pullsmart ...
Features: Pigtail adapter attaches to your RV's 50-amp inlet to get a plug for attaching a 30-amp, 4-prong extension cord Female plug connects to the 50-amp power inlet on your RV Male plug
  • Adapter Cord
  • 50 Amp to 30 Amp
  • RV Cord to Power Hookup
  • Furrion
  • 50 Amp Female Plug

Camco Power Grip Generator Adapter for RV Power Cord - 125V - 30 Amps - 4 Prong Twist Lock

Retail: $38.96
Our Price: $36.53
In Stock
Connect your RV's 30-amp power plug to a 30-amp twist-lock outlet on a generator with this 125V adapter. 4-Prong twist-lock design keeps the cord from disconnecting as your generator vibrates ...
Features: 125-Volt adapter cord converts your RV's 30-amp power plug to work with a 30-amp twist-lock outlet on a generator Female end connects to your RV's 30-amp power plug Male end plugs
  • Standard Adapter
  • 30 Amp to 30 Amp
  • Camco
  • 30 Amp Female Plug
  • 1 Foot Long

Camco Power Grip Generator Adapter for RV Power Cord - 125V - 30 Amps - 4 Prong Twist Lock

Retail: $71.42
Our Price: $58.53
In Stock
Connect your RV's 50-amp power plug to a 30-amp twist-lock outlet on a generator with this 125V adapter. 4-Prong twist-lock design keeps the cord from disconnecting as your generator vibrates ...
Features: 125-Volt adapter cord converts your RV's 50-amp power plug to work with a 30-amp twist-lock outlet on a generator Female end connects to your RV's 50-amp power plug Male end plugs
  • Standard Adapter
  • 50 Amp to 30 Amp
  • Camco
  • 50 Amp Female Plug
  • 1 Foot Long

Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter

Retail: $21.95
Our Price: $14.00
In Stock
Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat.
  • Wiring Adapters
  • 4 Flat to 5 Flat
  • Tow Ready
  • Universal Fit

Mighty Cord RV Power Cord Generator Adapter - 50 Amp Female to 30 Amp Twist Lock Male - 12"

Retail: $39.02
Our Price: $32.39
In Stock
Plug this adapter into your RV's 50-amp power cord to convert to a 4-prong, male connector for your generator. Standard, 4-prong female plug connects to the power cord. Twist-lock male plug ...
Features: Adapter converts the 50-amp plug on your RV's power cord to work with a 30-amp, twist-lock receptacle on your generator 4-Prong, female plug connects to the 50-amp plug on your RV's
  • Standard Adapter
  • 50 Amp to 30 Amp
  • Mighty Cord
  • 50 Amp Female Plug
  • 1 Foot Long

Mighty Cord RV Power Cord Generator Adapter - 30 Amp Female to 30 Amp Twist Lock Male - 12"

Retail: $38.16
Our Price: $30.16
In Stock
Plug this adapter into your RV's 30-amp power cord to convert to a 4-prong, male connector for your generator. Standard, 3-prong female plug connects to the power cord. Twist-lock male plug ...
Features: Adapter converts the 30-amp plug on your RV's power cord to work with a 30-amp, twist-lock receptacle on your generator 3-Prong, female plug connects to the 30-amp plug on your RV's
  • Standard Adapter
  • 30 Amp to 30 Amp
  • Mighty Cord
  • 30 Amp Female Plug
  • 1 Foot Long

Right Angle 3-Wire Pigtail for Optronics Trailer Lights - 3-Prong PL-3 Plug - 10" Lead

Retail: $10.00
Our Price: $8.26
In Stock
This 3-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Optronics light. Right-angle plug allows wires to run down from light instead of straight out ...
Features: Pigtail with 3-prong plug allows you to wire your Optronics light to your trailer Designed specifically for use with Optronics stop/tail/turn lights, parking/turn lights, and warning lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Optronics
  • Three Wire
  • Right Angle Pigtail

Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard - H20046

Retail: $52.29
Our Price: $46.90
In Stock
Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.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
  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • Hopkins

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

Our Price: $6.32
In Stock
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting ...
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
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • Hopkins

3-Wire Pigtail for Optronics Trailer Lights - 3-Prong PL-3 Plug - 10" Lead

Retail: $7.99
Our Price: $4.44
In Stock
This 3-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Optronics light. Color-coded wire lead is 10" long. Designed specifically for lights that ...
Features: Pigtail with 3-prong plug allows you to wire your Optronics light to your trailer Designed specifically for use with Optronics stop/tail/turn lights, parking/turn lights, and warning lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Optronics
  • Three Wire
  • Straight Pigtail

3-Wire Pigtail for Peterson Trailer Lights - 3-Prong PL-3 Plug - 10-1/2" Lead

Retail: $16.11
Our Price: $6.59
In Stock
This 3-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Peterson light. Color-coded wire lead is 10-1/2" long. Designed specifically for lights ...
Features: Pigtail with 3-prong plug allows you to wire your Peterson light to your trailer Designed specifically for use with Peterson stop/tail/turn lights, parking/turn lights, and warning lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Peterson
  • Three Wire
  • Straight Pigtail

Right Angle 3-Wire Pigtail for Peterson Trailer Lights - 3-Prong PL-3 Plug - 10-1/2" Lead

Retail: $11.63
Our Price: $5.62
In Stock
This 3-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Peterson light. Right-angle plug allows wires to run down from light instead of straight out ...
Features: Pigtail with 3-prong plug allows you to wire your Peterson light to your trailer Designed specifically for use with Peterson stop/tail/turn lights, parking/turn lights, and warning lights
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Peterson
  • Two Wire
  • Right Angle Pigtail

2-Wire Pigtail for Optronics Backup and Utility Trailer Lights - 2-Prong PL-3 Plug

Retail: $8.26
Our Price: $5.25
In Stock
This 2-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Optronics light. Color-coded wire lead is 10" long. Designed specifically for backup and utility lights.Features: Pigtail with 2-prong plug allows you to wire your Optronics light to your trailer Designed specifically for use with Optronics backup and utility lights Male-pin, 2-prong PL-3 molded
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Optronics
  • Two Wire
  • Straight Pigtail

Right Angle 2-Wire Pigtail for Optronics Backup and Utility Trailer Lights - 2-Prong PL-3 Plug

Retail: $6.20
Our Price: $5.55
In Stock
This 2-wire pigtail has a male plug on one end that pairs with the female connection on the back of your Optronics light. Right-angle plug allows wires to run down from light instead of straight out ...
wiring to run down from the light rather than straight out of the back Male-pin, 2-prong PL-3 molded plastic plug connects to back of trailer light 2-Wire pigtail White wire for ground Red wire for power
  • Trailer Lights
  • Wiring
  • Plugs and Pigtails
  • Optronics
  • Two Wire
  • Right Angle Pigtail

Mighty Cord RV Power Cord Adapter Plug - 30 Amp Female to 50 Amp Male - Round

Retail: $30.70
Our Price: $22.22
In Stock
Easily adapt your RV's 30-amp power cord for use with a 50-amp inlet. 3-Prong, female plug connects to a power cord. 4-Prong, male plug connects to an electrical box at an RV park.Features: Adapter converts the 30-amp plug on your RV's power cord to work with a 50-amp electrical hookup 3-Prong, female plug connects to your 30-amp power cord 4-Prong, male plug connects to
  • Adapter Plug
  • 30 Amp to 50 Amp
  • RV Cord to Power Hookup
  • Mighty Cord
  • 30 Amp Female Plug
  • Plug Only