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Black rectangular wiring connector with multiple pins and moulded housing

Curt Manufacturing

Curt Manufacturing 56375 Custom Wiring Connector

SKU CH-1CSR-EZBNX

Custom wiring connector 56375 links vehicle and trailer lighting systems for safe towing

  • Product typeTrailer, Plow & Towing Equipment
  • Custom wiring connector simplifies trailer hook-up
  • Model 56375 ensures vehicle-specific fit
  • New condition guarantees reliable performance
  • CURT brand backs towing equipment quality
  • California Prop 65 warnings disclose chemical risks

Custom Wiring Connector 56375

The Curt Manufacturing 56375 is a custom wiring connector built for trailer, plow and towing equipment installations. It provides a vehicle-specific electrical link for owners who need a factory-style fit without universal adapters.

Sustained Load Performance

The connector maintains a stable electrical path during continuous towing or plowing cycles where vibration and weather exposure are constant. Its moulded housing resists moisture ingress and contact corrosion over extended use periods.

Interface Practical Limits

The part is designed for standard vehicle lighting and brake circuits within the electrical capacity of the original equipment system. It does not support auxiliary power circuits or electric brake controllers that exceed the factory wiring rating.

How it compares

Measured against everything we stock in General Yard & Utility Tools, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 63% of the 1,487 comparable items (median $32.99).

Specifications

Product
Brand nameCURT
Product typeTrailer, Plow & Towing Equipment

Questions about this item

Does the Curt 56375 connector draw any power or generate heat when the trailer lights are on all day?

The connector is a passive wiring harness with no active electronics, so it draws no power itself and produces no measurable heat during continuous use.

What vehicle-side wiring must already be present for the Curt 56375 to plug in and function?

The connector requires the vehicle to have a factory tow-package socket or an existing 4-pin flat plug that matches the Curt 56375's vehicle-end interface.

Will the Curt 56375 work reliably with an older trailer that still uses incandescent bulbs instead of LEDs?

Yes, the connector simply passes the vehicle's lighting signals through to the trailer plug, so it works with both incandescent and LED trailer lights.

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