57245-7 TO 4 W/LED DUST COVER-Spencer Trailer Parts

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ELECTRICAL ADAPTER WITH TESTER (7-WAY RV BLADE VEHICLE TO 4-WAY FLAT TRAILER) #57245

  • Adapts a 7-way RV blade vehicle socket to fit 4-way flat trailer plugs
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • LED tester confirms proper function of vehicle-side wiring connector
  • Dust cover keeps connector clean when not in use