Sell and install

We provide installation of trailer hitches, 5th wheel hitches, goose neck hitches and etc. with products from Rigid Hitch and Curt Manufacturing.

NorthPost Inc. Is the US Supplier of DIAB Trainer Electrical Connectors Made in Sweden Website:


The DIAB P12 power plug is designed for private cars and other light vehicles, as well as machines with 12-24 volt electrical systems. The plug has 12 powerful terminals, of which numbers 1 and 12 are dimensioned for secure grounding and charging.

The plug box (vehicle part) has two cable inlets while the plug (trailer part) is available with one or two cable inlets. Required assembly surface is 65 x 75 mm (breadth x height). The P12 has a practical and functional design.
The unique toggle connection enables safe and simple engagement and automatic disengagement. If required, the Plug can be locked to the Box with a special lock hook.

Benefits include:

  • 12 terminals enable freedom of choice and flexibility
  • The terminals are cleaned upon engagement and disengagement
  • Automatic disengagement prevents torn cables
  • Large plug surfaces eliminate loss of power
  • Sturdy design that outlives the vehicle
  • Good imperviousness against water and dirt minimises oxidation.


Terminals 1 and 12: 9.5 mm 25 A
Double terminal: 6.5 mm 10 A

2 cable inlets: Ø 10.5 mm – 13.0 mm
1 cable inlet: Ø 10.5 mm – 16.0 mm