Trailer Wiring and Electrical

Trailer electrical problems can be frustrating and time consuming. We stock testers, electrical connectors, adapters, wiring kits and more for all of your trailer repair needs.

Need a reference? View the Trailer Wiring Diagram

Found 119 Matching Products
Filter the list of Matching Products by selecting any of these options:
  1. Automann
  2. Bargman
  1. Grote
  2. Multiple Heavy Duty Manufacturers
  1. Sloan
  2. Tekonsha
  1. Tow Ready
  2. VSM
  1. Air Hose
  2. Brake Control Adapters
  3. Electrical
  4. Electrical Plug
  1. Electrical Socket
  2. Shrink Tubing
  3. T-Connectors
  4. Taillight Converters
  1. Trailer - Vehicle Adapters
  2. Trailer Connectors
  3. Wire and Cable
  1. 1/4"-14 NPTF
  1. 0.156 inch
  1. Yes
  1. Split Pin
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SKU 82-5602
$1.49

Grote PVC Trailer Cable 82-5602 is designed for wiring trucks and trailers applications.   Details

20+ In Stock
  • Color:Yellow, Green, Brown, White
  • Wire Gauge:14
  • Outside Diameter:.441 inch
  • Strand: 19 x .0142 inch
  • Conductor:4
  • Note:Priced per foot. Product may vary from image shown.
  • UPC: 621935030988
  • MPN: 82-5602
SKU 82-6715
$10.23

Grote Battery Cable 82-6715 is 100% copper and meets all SAE code J1127 specifications.   Details

20+ In Stock
  • Color:Red
  • Wire Gauge:3/0
  • Outside Diameter:.650 inch
  • Strand: 19 x 35 x .0156 inch
  • Conductor:1
  • Note:Priced per foot.
  • UPC: 621935028022
  • MPN: 82-6715
SKU KP155K
$19.24

Sliding 5th wheel air hose kit KP155K for Kenworth, Peterbilt, International and Volvo/White applica...   Details

2 In Stock
  • Color:Black
  • Hose O.D:0.250 inch
  • Hose I.D:0.156 inch
  • Fitting:1/4"-14 NPTF
  • Holland (Neway) Number:RK250010, RK-2500-10
  • Sirco Number:25001
  • UPC: 889626250675
  • MPN: KP155K
SKU 451055
$23.10

Sliding 5th wheel air hose 451055. 1/4 inch hose with 1/4"-14 NPTF fittings.   Details

2 In Stock
  • Color:Black
  • Length:54 inches
  • Hose O.D:1/4 inch
  • Fitting:1/4"-14 NPTF
  • Automann Number:KP155
  • Holland (Neway) Number:RK01960, XB01960, RK-01960
  • IHC Number:1614487C1
  • Phillips Number:11300, 11-300
  • Sloan Number:451055
  • Tectran Number:14210
  • Velvac Number:22028, 022028
  • UPC: 66931401395
  • MPN: 451055
SKU 421120
$62.03

Sloan 7-way electrical socket 421120. Split pin style, 20 amp circuit breaker.   Details

1 In Stock
  • Style:Split Pin
  • Circuit Breaker:20 Amp
  • UPC: 66931405594
  • MPN: 421120
SKU 421758
$65.10

Sloan 7-way circuit inspector 421758.   Details

1 In Stock
  • Automann Number:179.TCT1
  • Grote Number:97101
  • Truck-Lite Number:87891
  • UPC: 66931400292
  • MPN: 421758
SKU 82-1000
$15.15

Grote 7-Way Junction Box 82-1000 is ideal for professional trailer wiring jobs and features a corros...   Details

3 In Stock
  • UPC: 621935000639
  • MPN: 82-1000
SKU KP155KA
$74.32

Sliding 5th wheel air hose major kit KP155KA for Holland, Kenworth and Volvo/White applications.   Details

1 In Stock
  • Color:Black
  • Hose O.D:0.250 inch
  • Hose I.D:0.156 inch
  • Fitting:1/4"-14 NPTF
  • Holland (Neway) Number:RK250010A, RK-2500-10A
  • Mack Number:176708, 3889-RK250010A, HOHRK250010A
  • Navistar Number:BRK250010A, GLSAFRK250010A, RK250010A, SAFRK250010A
  • Sterling Truck Number:HLD RK 2500 10A
  • Volvo Number:176708, HOHRK250010A
  • UPC: 889626250682
  • MPN: KP155KA
SKU 118002
$10.73

Tow Ready 4-Way Flat Harness is 60 inches long with a Car End trailer wiring connector.   Details

1 In Stock
  • Adapter Style:4-Way
  • Connector Location:Car End
  • Length:60 inches
  • UPC: 016118063394
  • MPN: 118002
SKU 118021
$9.64

Tow Ready 7-Way Round RV Blade Style Connector has a heavy Duty plastic design that resists rusting,...   Details

1 In Stock
  • Adapter Style:7-Way
  • Connector Location:Trailer End
  • UPC: 016118063295
  • MPN: 118021
SKU 118037
$9.84

Tow Ready 6-Way Round Pin Connector has a durable metal shell - Trailer End.   Details

2 In Stock
  • Adapter Style:6-Way
  • Connector Location:Trailer End
  • UPC: 016118063158
  • MPN: 118037
SKU 118140
$22.55

The Tow Ready Universal Short Mounting Bracket for 6 and 7 way vehicle end trailer connectors includ...   Details

2 In Stock
  • UPC: 016118063592
  • MPN: 118140

If you're going to tow a trailer, you will need your trailer lights running before you go. We stock and complete line of trailer connectors and adapters for quick, professional trailer repairs.

Need to tow a trailer and your car, truck or SUV doesn't have trailer wiring? Today T-Connectors take the guess work out of trailer wiring. No need to splice, tape or cut wires. T-Connectors are vehicle specific and install quick and easy. Simply locate your wiring harness connector, unplug the connection and insert the T-Connector into the vehicle harness.


Trailer Wiring and Electrical Reviews

Out of 25 reviews, the average customer rating for Trailer Wiring and Electrical: 4.8 out of 5.

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