Last Modified:
13 Aug 2012 |
Wiring of Trailer and Caravan Plugs - How To
Caravan/Trailer Wiring
The following is the Standard for wiring 5, and 7 pin plugs for trailer and caravans. Some older plugs are still around and dont always comply with this standard
One very important fact to remember is that it is the WHITE wire is "ALWAYS" the earth in trailer wiring not the green or black wires.
These tables apply to all types of trailer plugs used in Australia.
|
7 Pin Plug
|
5 Pin Plug
|
| Pin |
Connection |
Colour |
Pin |
Connection |
Colour |
| 1 |
Left indicator
|
Yellow |
2 |
Left indicator |
Yellow |
| 2 |
Auxiliary or reversing light |
Black
|
5 |
Right indicator |
Green |
| 3 |
Earth |
White
|
6 |
Stop light |
Red |
| 4 |
Right indicator |
Green
|
7 |
Tail and registration plate |
Brown |
| 5 |
Electric brakes |
Blue
|
3 |
Earth |
White |
| 6 |
Stop light |
Red
|
|
| 7 |
Tail and registration plate |
Brown
|
|
Extra for Flat 12 Pin Plug
|
Battery Charger/Electric Winch
|
8
|
Orange
|
Auxiliaries, etc / battery feed / fridge
|
9
|
Pink
|
Earth Return
|
10
|
White
|
| Rear Fog Lamps |
11
|
Grey
|
Spare
|
12
|
Violet
|
|
Sockets
|
Plugs
|
Flat 12 Pin Trailer Plug |
Flat 12 Pin Trailer Socket |
Flat 7 Pin Trailer Plug
Note this plug is compatable with 12 pin Socket
|
Flat 7 Pin Trailer Socket |
Small Round 7 Pin Trailer Socket |
Small Round 7 Pin Trailer Plug |
Below is the Small round 6 pin plug which was popular in NSW.
|
Round 6 Pin Plug
|
| Pin |
Connection |
Colour |
| 1 |
Larger Pin
Tail and registration plate
|
Brown
|
| 2 |
Left indicator
|
Yellow |
| 3 |
Right indicator
|
Green
|
| 4 |
Stop light
|
Red
|
| 5 |
Electric brakes
|
Blue
|
| 6 |
Earth
|
White
|
Small Round 6 Pin Socket |
Small Round 6 Pin Plug |
Below is the large round plug which are popular in Vic.
|
Large 5 and 7 Pin Plug
|
| 7 Pin |
Connection
|
5 Pin |
| Yellow |
Left indicator |
Yellow
|
| Black |
Auxiliary or reversing light |
|
| White |
Earth |
White
|
| Green |
Right indicator |
Green
|
| Blue |
Electric brakes |
|
| Red |
Brake lights |
Red
|
| Brown |
Tail lights |
Brown
|
Round Large 7 Pin Socket |
Round Large 7 Pin Plug |
Round Large 5 Pin Socket |
Round Large 5 Pin Plug |
|
