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Heavy Duty 4-Wire to 3-Wire Trailer Light Converter for Semi Trucks

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$12.09
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When you're dealing with mixed trailer wiring systems on the road, this heavy-duty trailer light converter is your go-to solution for seamless electrical connections. Whether you're pulling different trailers or dealing with older equipment, this converter ensures your lights work every time.

Professional-Grade Construction

  • 18-gauge bonded wire construction handles heavy electrical loads without voltage drop
  • 24-inch leads on both sides provide flexibility for clean, secure installations
  • Weather-resistant connections stand up to road salt, moisture, and temperature extremes

Easy Installation & Compatibility

This converter bridges the gap between 4-wire truck systems and 3-wire trailer setups, eliminating the guesswork and potential safety issues from improper wiring. The generous wire length lets you route connections away from moving parts and road debris.

Important: Designed for incandescent bulbs only. For LED trailer lights, use our LED-compatible converter (UP #90620) to prevent hyperflashing and ensure proper operation.

Built tough for the demands of over-the-road hauling, this converter delivers reliable performance mile after mile. Professional truckers trust this solution to keep their rigs DOT compliant and road-ready.

 

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