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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 123 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. Coiled Cable
  4. Electrical
  1. Electrical Plug
  2. Electrical Socket
  3. Shrink Tubing
  4. T-Connectors
  1. Trailer - Vehicle Adapters
  2. Trailer Connectors
  3. Wire and Cable
  1. Coiled
  1. 1/4"-14 NPTF
  1. 0.156 inch
  1. Yes
  1. Split Pin
Grid List
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SKU 82-5611
Trailer Cable (Per Foot) | PVC | 7 Conductor | 14/12 Gauge

Grote PVC Trailer Cable 82-5611 is designed for wiring trucks and trailers applications.   Details

20+ In Stock
  • Color:Yellow, Red, Green, Brown, Black, Blue, White
  • Wire Gauge:6/14, 1/12
  • Outside Diameter:.535 inch
  • Strand: 41 x .010 inch and 65 x .010 inch
  • Conductor:7
  • Note:Priced per foot.
  • UPC: 621935009038
  • MPN: 82-5611
$2.48
SKU 82-5602
Trailer Cable (Per Foot) | PVC | 4 Conductor | 14 Gauge

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
$1.49
SKU 83-8011
Conduit | Split Loom | Grote | 1/2 Inch

Grote 1/2 Inch Split Loom Conduit 83-8011 protects truck and trailer wiring from heat, sunlight, wat...   Details

20+ In Stock
  • Size:1/2 inch
  • Note:Price Per Foot.
  • UPC: 621935024932
  • MPN: 83-8011
$0.33
SKU 82-5606
Trailer Cable (Per Foot) | PVC | 7 Conductor | 10/12 Gauge

Grote PVC Trailer Cable 82-5606 is designed for wiring trucks and trailers applications.   Details

Typically ships in 5 to 7 business days.
  • Color:Yellow, Red, Green, Brown, Black, Blue, White
  • Wire Gauge:6/12, 1/10
  • Outside Diameter:.601 inch
  • Strand: 65 x .010 inch and 105 x .010 inch
  • Conductor:7
  • Note:Priced per foot.
  • UPC: 621935001742
  • MPN: 82-5606
$3.70
SKU 82-6743
Battery Cable (Per Foot) | Copper | 4/0 Gauge | Red

Grote Battery Cable 82-6743 is 100% copper and meets all SAE code J1127 specifications.   Details

20+ In Stock
  • Color:Red
  • Wire Gauge:4/0
  • Outside Diameter:.730 inch
  • Strand: 19 x 55 x .0142 inch
  • Conductor:1
  • Note:Priced per foot.
  • UPC: 621935028060
  • MPN: 82-6743
$13.15
SKU 82-1042
2-Way Round Pin Electrical Plug | Grote | Metal

Grote 2-Way Round Pin Electrical Plug 82-1042 is ideal for lift-gate applications.   Details

3 In Stock
  • Adapter Style:2-Way
  • Automann Number:179.1033
  • Phillips Number:15-336
  • Tectran Number:67021SG
  • Velvac Number:593116
  • UPC: 621935082284
  • MPN: 82-1042
$15.70
SKU KP155K
5th Wheel Slider Coiled Air Hose Kit

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

3 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
$19.24
SKU 82-0851
Heavy Duty 1-Way Socket Connector

Grote Heavy Duty 1-Way Socket Connector 82-0851 provides power for auxiliary equipment from the batt...   Details

2 In Stock
  • Material:Zinc-Die Cast
  • Voltage Amp:300A
  • Conductor:1
  • UPC: 621935018863
  • MPN: 82-0851
$19.96
SKU 82-1000
7-Way Junction Box | Grote

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

4 In Stock
  • UPC: 621935000639
  • MPN: 82-1000
$15.15
SKU 82-1041
2-Way Round Pin Electrical Socket | Grote | Metal

Grote 2-Way Round Pin Electrical Socket 82-1041 is ideal for lift-gate applications.   Details

2 In Stock
  • Adapter Style:2-Way
  • Automann Number:179.1034
  • Phillips Number:15-326
  • Sloan Number:421171
  • Tectran Number:670-22
  • Velvac Number:593121
  • UPC: 621935082291
  • MPN: 82-1041
$17.39
SKU 82-1042V
2-Way Round Pin Electrical Plug | Grote | Metal | Vertical

Grote dual pole round pin electrical plug 82-1042V is ideal for lift-gate applications.   Details

11 In Stock
  • Adapter Style:2-Way
  • Voltage Amp:200
  • Automann Number:179.1060
  • Freightliner Number:GRO 82 1042V
  • Mack Number:7376-821042V
  • Midwest Number:GR182-1042V
  • Paccar Number:82-1042VGR0, 82-1042VGRC
  • Phillips Number:15-338, 15338
  • MPN: 82-1042V
$17.11
SKU 20117
7 Way LED Tester | Tow Ready

Tow Ready 7 Way LED Tester 20117 tests turn signals, brake lights and gound with ease.   Details

5 In Stock
$23.10

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.

4-way flat tester 20114 reviewer
Trailer Wiring and Electrical - Tow Ready 20114 Rating: 5 Stars

4-Way

Handt device to have.

Read the Review

t-one connector with circuit protected converter 118496 reviewer
Trailer Wiring and Electrical - Tekonsha 118496 Rating: 5 Stars

Needed It

needed it to tow.

Read the Review

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