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Trailer Connectors
$4.50 - $24.95
Wiring Adapters
$3.70 - $49.95
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Adapter 4 Pole to 7 Pole and 4 Pole

24 reviews

37185

Price: $22.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

4 Flat
Plug and Lead
7 Blade
4 Flat
Hopkins

more information

Pollak 7 Pole to 4 Pole Connector Adapter

44 reviews

PK12716

Price: $8.99

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

7 Blade
Plug Only
4 Flat
Pollak

Quickly and easily convert a 7-pole, RV-style connector to a 4-pole, round pin connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.

more information

35 ft. Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire

16 reviews

A35W42B

Retail: $14.95

Price: $12.95

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector
35 Foot Long

Product Specs:

Plug and Lead
4 Flat
Optronics

more information

Hopkins Endurance 4-Way Flat Trailer Connector - Trailer End - Ergonomic Design

4 reviews

HM48110

Price: $4.95

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector
1 Foot Long

Product Specs:

Plug and Lead
4 Flat
Hopkins

Heavy-duty 4-pole flat trailer connector features an over-sized grip to connecting quick and easy. Built-in cover helps keep terminals corrosion free.

more information

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way

15 reviews

HM47570

Price: $21.95

Product Summary:

Wiring
Wiring Adapters
Multi-Function Adapter
4 Foot Long

Product Specs:

7 Blade
Plug Only
6 Round
5 Flat
4 Flat
Hopkins

Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.

more information

48" Car and Trailer End Loop 4-Pole

1 reviews

18044

Retail: $7.22

Price: $5.99

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter
4 Foot Long

Product Specs:

4 Flat
Plug and Lead
4 Flat
Draw-Tite

more information

12" Car and Trailer End Loop

4 reviews

9653P

Retail: $4.95

Price: $3.70

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter
1 Foot Long

Product Specs:

4 Flat
Plug and Lead
4 Flat
Spectro

more information

Adapter 7 Pole to 4 Pole with Tester and Cover

14 reviews

47345

Price: $14.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

7 Blade
Plug Only
4 Flat
Hopkins

more information

20 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire

6 reviews

A20WB

Price: $9.95

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector
20 Foot Long

Product Specs:

Plug and Lead
4 Flat
Optronics

more information

4-Pole Trailer End Connector

3 reviews

18004

Retail: $6.10

Price: $5.99

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector
1 Foot Long

Product Specs:

Plug and Lead
4 Flat
Draw-Tite

more information

Trailer Connector Adapter, 7 Pole to 7 Pole, 5 Pole, 4 Pole and Cigarette Lighter

13 reviews

TC-127

Retail: $24.95

Price: $22.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

7 Blade
Plug Only
7 Blade
4 Flat
5 Flat
12 Volt
Pilot Automotive

more information

Adapter 7 Pole to 4 Pole and 5 Pole

8 reviews

37385

Price: $18.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

7 Blade
Plug Only
4 Flat
5 Flat
Hopkins

more information

Hopkins Multi-Tow Trailer Connector Adapter - 7-Way to 5-Wire Flat/4-Wire Flat and 12-V Power Socket

7 reviews

HM47675

Price: $17.95

Product Summary:

Wiring
Wiring Adapters
Multi-Function Adapter

Product Specs:

7 Blade
Plug Only
5 Flat
4 Flat
12 Volt
Hopkins

Adapt the 7-way trailer socket on your vehicle to work with a 4-way or 5-way flat connector on the trailer. Adapter also provides a 12 volt power source outlet. Great for tailgating.

more information

60" Car and Trailer End Loop 4-Pole

2 reviews

18045

Retail: $7.82

Price: $6.99

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter
5 Foot Long

Product Specs:

4 Flat
Plug and Lead
4 Flat
Draw-Tite

more information

Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps

5 reviews

C57674

Retail: $45.54

Price: $34.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

4 Flat
Plug and Lead
7 Blade
4 Flat
Curt

more information

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

5 reviews

37175

Price: $22.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

4 Flat
Plug and Lead
6 Round
4 Flat
Hopkins

more information

Quick Fix(TM) 4 Pole Flat Trailer End

2 reviews

HMC20031

Price: $4.50

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector

Product Specs:

Plug Only
4 Flat
Hopkins

more information

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

7 reviews

HM47065

Price: $24.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter
3 Foot Long

Product Specs:

7 Blade
Plug and Lead
4 Flat
Hopkins

This heavy-duty, coiled cable adapter is compatible with a 7 way RV blade trailer socket on the vehicle and adapts it to work with a 4-wire flat connector on the trailer.

more information

4-Pole Adapter and Mount for Valley Trailer Hitch Receivers with Wiring Cutout

V31499

Price: $12.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

4 Flat
Plug and Lead
4 Flat
Valley

Specially designed for use with Valley's integrated-wiring-ready hitches, this adapter provides a 4-pole wiring hookup that mounts inside of the receiver tube.

more information

Pollak 6 Pole to 4 Pole Connector Adapter

4 reviews

PK12717

Price: $8.49

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

6 Round
Plug Only
4 Flat
Pollak

Quickly and easily convert a 6-pole, round pin connector to a 4-pole, round pin connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.

more information

Wesbar 4-Pole Flat Connector w/ Jacketed Cable - Trailer End - 4' Long

W787264

Price: $11.95

Product Summary:

Wiring
Trailer Connectors
Trailer End Connector

Product Specs:

Plug and Lead
4 Flat
Wesbar

This 4-wire flat, trailer-end connector includes a 4' long, jacketed cable with stripped, color-coded wires for easy installation.

more information

48" Long 4-Pole Loop with Cover

1 reviews

HM47115

Price: $6.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter
4 Foot Long

Product Specs:

4 Flat
Plug and Lead
4 Flat
Hopkins

more information

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

1 reviews

HM47365

Price: $16.95

Product Summary:

Wiring
Wiring Adapters
Single Function Adapter

Product Specs:

7 Blade
Plug and Lead
4 Flat
Hopkins

more information

Adapter 7 Pole to 4 Pole and 5 Pole with Vehicle and Trailer Beep Tester

2 reviews

TC-701

Price: $21.95

Product Summary:

Wiring
Wiring Adapters
Multi-Function Adapter

Product Specs:

7 Blade
Plug Only
4 Flat
5 Flat
Pilot Automotive

more information

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- Wiring Adapters (38)

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What our customers are saying:

Just wanted to let you folks know how much I appreciate your service. I ordered a tough-to-find hitch and wiring harness for my '97 Rodeo on Saturday, and it showed up on Tuesday! The price for the hitch, harness and shipping was less than just the hitch alone from the local suppliers, and they couldn't get it in for over a week. I couldn't be happier. Thanks so much.

John

Carterville, IL

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Videos about Wiring

5 Wire vs 4 Wire System Demonstration
Circuit Testing for Vehicle Wiring
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This Old Trailer: Installation of a Junction Box
Pollak Black Plastic, 7-Pole, RV-Style Trailer Socket , Vehicle End Review
This Old Trailer: Replacing a 6-Pole Connector
This Old Trailer : Replacing a 7-Pole Connector
7-Pole Trailer Replacement Wiring Review
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