Trailer Wire Harness

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Trailer Wire Harness

7-way RV blade & 4-way flat trailer connectors for North American trucks & RVs

Trailer Wire Harness

SAE J1128
7-Way RV
4-Way Flat

Heavy-duty trailer wire harness for towing applications. Available in 7-way RV blade (standard for trucks and RVs) and 4-way flat (for small trailers). PVC-jacketed, UV-resistant, suitable for outdoor use.

Key Features

  • Types: 7-way RV blade, 4-way flat, 5-way flat
  • Conductor: Stranded bare copper, SAE J1128
  • Jacket: UV-resistant PVC
  • Temperature: -40°C to +80°C
  • Lengths: 4ft, 6ft, 7ft, 12ft, custom
  • Connectors: Zinc alloy or nylon housing
  • Applications: Trucks, RVs, boats, farm equipment

Technical Specifications

Model Type AWG Length Connectors Standard
TH-7W-4FT 7-Way RV Blade 12 4ft Zinc alloy SAE J1128
TH-7W-6FT 7-Way RV Blade 12 6ft Zinc alloy SAE J1128
TH-4F-6FT 4-Way Flat 14 6ft Nylon SAE J1128
TH-4F-12FT 4-Way Flat 14 12ft Nylon SAE J1128
TH-5F-6FT 5-Way Flat 14 6ft Nylon SAE J1128

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