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G8MNY  > TECH     26.05.18 07:43l 85 Lines 3760 Bytes #999 (0) @ WW
BID : 21236_GB7CIP
Read: GUEST
Subj: Towing Socket For Caravans
Path: IW8PGT<IR2UBX<F1OYP<ON0AR<GB7CIP
Sent: 180526/0625Z @:GB7CIP.#32.GBR.EURO #:21236 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To  : TECH@WW

By Fred G4VVQ                              (Updated Jun 12)

12 N SOCKET CONNECT TO VEHICLE WIRING.

12N STANDARD LOOKING
FROM REAR OF CAR
      1           TERMINAL NUMBER  CABLE COLOUR     12 N SOCKET
                     1 / L           YELLOW      L.H. INDICATOR LAMP
6            2       2 / 54G         BLUE        REAR FOG LIGHT
      7              3 / 31          WHITE       CHASSIS EARTH
                     4 / R           GREEN       R.H. INDICATOR
5            3       5 / 58R         BROWN       R.H. TAIL/NO.PLATE LIGHT
      4              6 / 54          RED         STOP/BRAKE LAMP
     /~\             7 / 58L         BLACK       L.H. TAIL/NO.PLATE LIGHT

12S SPLIT CHARGE EXTRA LIGHTING
FROM REAR OF CAR
      1                1=REVERSING LIGHTS
                       2=BATTERY CHARGING
6            2         3=EARTH
      7                4=INTERIOR LIGHTS
                       5=SENSING DEVICE USUALLY SPARE
5            3         6=FRIDGE
      4                7=SPARE
     /~\

ON OLDER CARAVANS PIN 2 MAY BE WIRED FOR INTERNAL CARAVAN LIGHTS

12S SOCKET LOOKING
FROM REAR OF CAR
      1           TERM No  CABLE COLOUR       12 S SOCKET
                   1 / L     YELLOW   REVERSE LAMP(IF REQUIRED REVERSING CATCH)
6            2     2 / 54G   BLUE     RELAYED+VE(CHARGING BATTERY IN CARAVAN)
      7            3 / 31    WHITE    CHASSIS EARTH
                   4 / R     GREEN    BATTERY+VE VIA 25AMP FUSE(INT LIGHT)VAN
5            3     5 / 58R   BROWN    NOT USED
      4            6 / 54    RED      RELAYED+VE(IF REQUIRED FOR REFRIGERATOR)
     /~\           7 / 58L   BLACK    NOT USED

Fault finding, with 12V circuit tester check for current at pins under flap
when circuits are active, ie brake lights on, & check earth by putting on rear
lamps & connect tester from pin 5 or 7 to pin 3 (earth/white/31)

de Fred...G4VVQ
-------------------------------------------------------------------------------
Comment from Dave VK2AWZ
     Hi down in Aus the round towing sockes just about obsolete! All new
fittings have a flat configuration like so  OOOOOOOOOOOOO  for the pins.
73 - de Dave, VK2AWZ @ VK2DOT
-------------------------------------------------------------------------------
From Wim PA3AKK
Towing Socket For Caravans
(+ = male, o = female,  . = thin female)

Feder/Multicon/West                                        Old model  Colour
                          13 - pole                        7 - pole   wire
    .13 o1  .8
    o6      +2      1 = left hand indicator lamp             1/L      green
   .12  +7   .9     2 = rear fog light
    +5      o3      3 = chassis earth pin 1 - 8              3/31     brown
    .11 o4  .10     4 = right hand indicator lamp            4/R      yellow
        |           5 = right hand tail / no plate light     5/58R    blue
                    6 = stop / brake lamp                    6/54     red
Volta/Jaeger/Hella  7 = left hand tail / no plate light      7/58L    black
        o8          8 = backwards driving lamp
     o7    o9       9 = constant current                     2/54G    white
   o6   o1   o10   10 = loading cable for battery in caravan
   o5 o4  o2 o11   11 = not yet in use                            o1
        o3         12 = not yet in use                        o6      +2
     o13    o12    13 = chassis earth pin 9 - 13                  +7
        []                                                    +5      o3
                                                                  o4
                                                                  |
73, Wim, PA3AKK


Also see my TECH bul on "Towing & Reversing Beeper"   

Why don't U send an interesting bul?

73 De G8MNY @ GB7CIP


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