12 Pin Trailer Plug and Socket with LEDS


  • Now you can see the electricity via LED lights in the brake circuit and AUX Battery Circuit.
  • NO LED’s indicate dirty or corroded terminals.
  • Could also indicate blown fuses.
  • Gives peace of mind.

99 in stock


12 Pin Trailer Plug and socket with LEDs for RV and Aux Batteries. Led’s are located on the rear of the plug, one the right and the left side of the plug.

The biggest problem with trailer connections is corrosion. Generally, current pin connectors are brass or poor quality brass alloy. As a result, terminal screws snap.

Trailer Vision has produced a combination of stainless steel screws with plated brass terminals to help prevent breakage and ensure tight contact between socket and plug.

  • Pin 8 has a RED LED that indicates breakaway charging circuit.
  • Pin 5 has a BLUE LED that monitors the breakaway battery circuit

Testing Breakaway Battery

  • Disconnect the trailer plug from the vehicle.
  • Pull out the pin in the breakaway switch to activate the trailer braking system.
  • The BLUE flashing LED in the trailer plug must flash to indicate breakaway battery energy source.

Click here to buy 12 Pin Flat Car Socket with LEDs for Caravan and Aux Batteries

Designed for Solar, Marine, Defence and Industrial applications.

trailer plug wiring

Trailer plug wiring

Click here to buy the 12 Pin Flat Trailer Plug with LEDs and Stainless Screws

Click here to buy the 12 Pin Flat Car Socket with LEDs and Stainless Terminal Screws

12 Pin Trailer Plug and Socket with LEDs

Additional information

Weight .4 kg
Dimensions 15 × 10 × 3 cm


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