• 12" Inch Flat 4-Pin Trailer Plug Wire Harness Extension Connector & Tester Lights
  • 12" Inch Flat 4-Pin Trailer Plug Wire Harness Extension Connector & Tester Lights
  • 12" Inch Flat 4-Pin Trailer Plug Wire Harness Extension Connector & Tester Lights
  • 12" Inch Flat 4-Pin Trailer Plug Wire Harness Extension Connector & Tester Lights
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SKU: PTC-54021

12" 4-Pin Flat Trailer Plug Extension with Built-In Wire Tester - Connector Harness

$8.95 USD
$8.95 USD
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Product Description

This 12" flat 4-pin trailer plug extension harness features a built-in LED wire connection tester for fast diagnostics and safe trailer wiring. The flat-style plug is compatible with standard 4-way trailer connectors and adds flexibility when extending your trailer wiring setup for lights and signals.

Specifications & Features

  • Connector Type: 4-pin flat trailer plug
  • Length: 12 inches
  • Function: Works as an extension harness and built-in wire tester
  • Plug Style: Flat rectangular connector
  • Tester Feature: Integrated LED indicators show wire connection status
  • Ideal for trailers, utility vehicles, and towing setups using 4-way connectors