camper trailer tech tips

australian trailer plug & socket wiring diagrams

6 pin socket

6 pin plug 

7 pin socket

  7 pin plug   

5 pin socket

5 pin plug

7 pin socket 

7 pin plug 

7 pin socket

7  pin plug 

7  pin socket

7  pin plug

12  pin socket

12 pin plug

small 6 pin round plug & socket

1  tail, clearance  -  brown                                   

2  left hand turn  -  yellow  

3  right hand turn  -  green

4  stop -  red

5  electric brakes  -  blue

6  earth  -  white 

small 7 pin round plug & socket

1  left hand turn -  yellow     

2  reverse  -  black                                          

3  earth  -  white                                                                             

4  right hand turn  -   green                                           

5  electric brakes  -  blue

6  stop  -  red

 7  tail, clearance, side markers  -  brown

                                                     round socket

large 5 pin round plug & socket

2  left hand turn -  yellow     

3  earth  -  white                                             

5  right hand turn  -   green

6  stop  -  red

7  tail, clearance, side markers  -  brown

large 7 pin round plug & socket

1  left hand turn -  yellow     

2  reverse  -  black

3  earth  -  white

4  right hand turn  -   green

5  electric brakes  -  blue

6  stop  -  red

7  tail, clearance, side markers  -  brown

7 pin round heavy duty plug & socket

1  earth  -  white                                          

2  reverse  -  black

3  left hand turn -  yellow

4  stop  -  red                                    

5  right hand turn  -   green

6  tail, clearance, side markers  -  brown  

7  electric brakes  -  blue

7 pin flat plug & socket

1  left hand turn -  yellow                                            

2  reverse  -  black                                                                         

3  earth  -  white

4  right hand turn  -   green                                                

5  electric brakes  -  blue 

6  stop  -  red

7  tail, clearance, side markers  -  brown

                                                                        flat socket

12 pin flat plug & socket

1  left hand turn -  yellow                                            

2  reverse  -  black

3  earth  -  white

4  right hand turn  -   green                                    

5  electric brakes  -  blue 

6  stop  -  red

7  tail, clearance, side markers  -  brown

8  battery supply  -  orange                                            

9  auxiliaries  -  pink

10  earth  -  white

11  rear fog lamp  -   grey                                    

12  auxiliaries  -  violet

Diagrams are looking from the outside of the plug or socket

The above are to Australian trailer wiring standards