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7-pin ISO 1724 trailer connector type 12N (Towing vehicle side). This connector uses a mix of pin and socket terminals. Physical design according to standard ISO 1724. [4] [8] The 7-pin connector uses all 7 pins on newer trailers according to the ISO standard. [9] [10] On older trailers there's sometimes a 5-wire setup using a 7-pin connector.
Ground for pin 9 [a] ISO 11446:2004 specifies a 13-pole electrical connector between towing and towed vehicles with 12 volt electrical system . It was developed in 1987 by Erich Jaeger [ 1 ] to replace older 7-pin plugs.
Multicon [1] Feder and Multicon WeSt (Welt Standard) connectors are precursors to ISO 11446 in a design that is intended to be compatible with ISO 1724.This means that if a towing vehicle has an outlet of this type it should be able to connect a trailer with a standard 7-pin or 5-pin connector according to ISO 1724, provided that the trailer coupling follows the standard and that the trailer ...
If you have a trailer with a lot of lights the diode and relay wiring is preferred, but if you have a trailer with a simple light arrangement it is usually sufficient to wire to 58L. In market there are many special converters [ 1 ] [ 2 ] [ 3 ] that solves the problem of connecting a car with European wiring to a trailer with North American wiring.
The image of the 7 and 12 pin flat plugs are from the cable entry view (and possibly the images of the round connectors too). Please see reference [2] (VSB1 section 14) for front image. Reference [1] Narva wiring diagrams also have the diagrams cable entry view. If you want the front view images in colour see [3]
NEMA L20 series devices are three-pole, four-wire, non-grounding devices for three-phase 347/600-volt devices. Designs exist for 20-ampere (L12-20), and 30-ampere (L20-30) devices, and L20-20 and L20-30 devices were commercially available from at least one manufacturer (Bryant Electric).
An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the ...
A MIL-DTL-38999 circular connector plated with a nickel–teflon composite. Left: plug (male) type connector; Right: receptacle (female) type connector) Electrical or fiber-optic connectors used by U.S. Department of Defense were originally developed in the 1930s for severe aeronautical and tactical service applications, and the Type "AN" series set the standard for modern military circular ...