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AUTOELECTRICS Mobile Product services Shropshire UK ..Telford (01952) 247007

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Auto Electrical Installation

Vehicle Battery
Leisure Batteries
Starter Motors
Alternators
Onboard Power Inverters
Engine Tuning
Vehicle Diagnostics
Vehicle Security
Towing & Towbar Electrics

 

Vehicle Wiring

 

Vehicle Heating & Climate

 

Diesel Engine Service

 

Fuel Injectors

 

Common Rail Diesel Diagnostics

 

Vehicle HGV Inspection

 

Vehicle Mechanical Repair

 

Engine Cooling

 

Cam timing belt

 

Local breakdown service

 

Repairs list

 

Breakdown Assistance
 

Winter Motoring tips

 

Useful links

 

Vehicle Technology

 

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Safety Policy

 

Contact Us




Towbar Accessories

Quality Towing Accessories for use on car trailer,caravan, boat trailer,heavy goods vehicle semi trailer, agricultural tractor , recovery vehicle, etc:
Click the image or the details link for more information about the product, or just click the shopping cart icon to add the item to your shopping basket. View product menu

Towbar & Trailer Auto Electrics

FITTING OF TOWBAR & TRAILER ELECTRICS for CAR VAN CARAVAN CAMPER HGV PLANT EQUIPMENT
Mobile Service to Telford (TF) and Shrewsbury (SY), Shropshire areas.
Auto electrical component supply , Installation of wiring , sockets, relays, Fault finding, and repair. Trailer  & Semi-trailer wiring & lights repair. Trailer connector fitting.
Telephone 01952 247007

Vehicle Make Vehicle Model
Engine CC Fuel type  
Year of Mfr Reg no
Towbar Hitch Type Electrics
Your Name Email address
Message   
12N METAL 7 PIN PLUG Image: 7 PIN PLUG 12N METAL

Price: 2.50| Pack size:1

product link

12N METAL 7 PIN SOCKET Image: 7 PIN SOCKET 12N METAL

Price:2.80net
Pack size:1

 

7 CORE CABLE Image: 7 CORE CABLE        for trailer & Caravan lighting applications.  See full product range   

Top tip

A common fault with trailer electrical wiring can result in all lights dimming and flashing when brake or indicators are switched . This can be caused by a bad earth return connection on vehicle or trailer wiring, possibly due to corrosion at a wiring plug.

  

12N  Terminal No.
12N Wire Colour
12N Function
1 (L)
Yellow
Left Hand Direction Indicator
2 (54G)
Blue
Rear Fog Lamp
3 (31)
White
Earth
4 (R)
Green
Right Hand Direction Indicator
5 (58R)
Brown
Right Hand Tail Lamp, Sidelamp, No. Plate Lamp
6 (54)
Red
Brake lights
7 (58L)
Black
Left Hand Tail Lamp, Sidelamps.
7 PIN PLUG 12S GREY PLASTIC Image: 7 PIN PLUG 12S PLASTIC         

Price: 2.40 | Pack size:1

Internal link: Add to cart

24N HGV SEMI TRAILER 7 PIN PLUG "

Price: 9.99 | Pack size:1

Internal link: Add to cart

24N HGV TRACTOR UNIT 7 PIN SOCKET

Price: 12.95 | Pack size:1

Internal link: Add to cart

Many modern vehicles have computerised vehicle electrical systems often known as CANbus systems. Vehicles using CANbus wiring may require fitment of a bypass relay or even vehicle specific wiring kit when fitting towing electrics. Some vehicles may also require a computer software update to modify suspension settings whilst towing.

12N SOCKET READY WIRED WITH 7 CORE CABLE AND MOUNTING  

 

DUAL TOWING ELECTRICS SOCKETS 12N / 12S READY WIRED

 

Towbar electrics and cable available by mail order from online shop

 

Auxilliary Power supply and refrigerator wiring from the vehicle should be supplied via a relay wired to activate only when the vehicle engine is running, to prevent high current draw from the auxilliary battery as the vehicle starter motor operates. This power circuit should also be fitted with a fuse close to the vehicle main battery.

12S auxiliary circuit plug and socket wiring for 12 volt towing electrics - Dual towbar electrics wiring guide.

12S Terminal No
12S Wire Colour
12S Function
1 (L)
Yellow
Reversing Lamp
2 (54G)
Blue
Battery Charging from Split charge Relay (Pre 1997)
or Spare (Post 1997) Switched output from relay on vehicle
3 (31)
White
Earth
4 (R)
Green
Power Supply permanent 12 volt (Caravan Interior lights)
5 (58R)
Brown
Sense (not used in some applications)
6 (54)
Red
Fridge
7 (58L)
Black
Spare or Earth for pin 6
FLASHER UNIT (L)

Image: FLASHER UNIT (L)

Price: 11.38 | Pack size:1

12 Volt Direction indicator flasher unit (L)
Price:

Internal link: Add to cart

General details: Flasher unit with pin C2 may be required on some vehicles to operate dashboard trailer indicator warning lamp. Check with the specific vehicle manufacturers information to make sure this item is suitable for the intended application

Connection details:

  • Terminal 49 : Power input
  • Terminal 49a : Power output to Left / Right indicator switch or Hazard warning switch
  • Terminal 31 : Ground
  • Terminal C2 : To Dashboard instrument panel trailer indicator warning lampGo to electrical shop product menu
  • NO.PLATE LAMP BLACK Image: NO.PLATE LAMP BLACK 12V BULB

     

     

    NO.PLATE LAMP CHROME Image: NO.PLATE LAMP CHROME

     

     

    12 Volt REVERSING WARNING BLEEPER Image: 12 Volt REVERSING WARNING BLEEPER

     

    FRONT POSITION MARKER LAMP Image: FRONT POSITION MARKER LAMPS

     

    Internal link: Add to cart

     
     

    13S Plug and Socket Wiring Diagram Table

    Terminal No.
    Wire Colour
    Function
    1
    Yellow
    Left Direction Indicator
    2
    Blue
    Rear fog lamp
    3
    White
    Earth Return for pins 1 to 8
    4
    Green
    Right Direction Indicator
    5
    Brown
    Right Hand Tail, End Outline Marker, and No. plate Lamps
    6
    Red
    Brake Lamps
    7
    Black
    Left Hand Tail, End Outline Marker,and No. Plate Lamp
    8
    Yellow
    Reverse Lamps
    9
    Green
    Power Supply
    10
    Blue
    Caravan or Trailer Auxilliary Battery Charging
    11
    Red
    Refridgerator or spare
    12
    Brown
    Spare
    13
    White
    Earth Return for terminals 9 to 12

    Components Supplied Include:
    Black 7 Core cable ,Grey multi core cable (BS6862)
    12N Socket (ISO1724)7 Pin,12N Plug (ISO1724)7 Pin, for caravan or trailer lighting circuits.
    12S Socket (ISO3732) 7pin, 12S Socket (ISO3732) 7 pin, for caravan auxilliary circuits ( including split charging circuit and fridge power supply)
    13 Pole plug / socket (ISO11446) for lighting and power supply circuits.
    Socket testing equipment,Trailer socket brackets, Single or double (Twin).
    Obligatory lights, Auxilliary lights .13 Pole to 7 Pole converter plugs. Trailer wiring extension cables made to order.

    Car trailer electrics, Caravan towing electrics , HGV Semi trailer autoelectrics, HGV Drawbar trailer wiring, Agricultural trailer lights, Plant  trailer wiring, Motorcycle trailer wiring, Boat trailer wiring, Catering trailer wiring,

    24N Commercial Vehicle 7 pin Trailer Wiring ISO1185

    Terminal No.
    Wire Colour
    Function
    1
    White
    Common Return
    2
    Black
    LH side lamps,marker lamps,No.Plate lamp
    3
    Yellow
    LH Indicator lamps
    4
    Red
    Stop Lamps
    5
    Green
    Right Hand Indicator lamps
    6
    Brown
    RH Rear side lights,No.Plate lamp,front marker lamp
    7
    Blue
    Trailer brake control

    West Mercia Mechanical Services,
    10 Arrow Road, Telford.TF5 0LF. United Kingdom.
    Telephone: 01952 247007
    Mobile: 07553 371177

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