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Turn Signal Flasher Relay Circuit Diagram 12v

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 12 Volt DIRECTION INDICATOR Exhibitionist RELAY RANGE

Solution Graphics

Part No

Terminal Layout

Power rating (Watts)

Description

Nett Price GBP View/Grease one's palms Radio link

SAFU019

31 : ground
49:Supply
49a:Output

98W

12v Direction Indicator Flasher 3 Oarlock Thermally  operated  for Kit Car builders and older vehicles
21W  x 4 + (2 x 5W) /21w x 2 + (5W)
6.26

SAFU003

31 : ground
49:Provision
49a:Turnout

98W

12v  Direction Index Flasher 3 Pin ElectronicUnit
21W  x 4 + (2 x 5W) /21W x 2 + (5W)
6.26

SAFU022

(+)Positive
(-)Negative
(L)Load

98W

12v Natural philosophy   Direction Indicator Flasher Unit
21W  x 4 + (2 x 5W) / 21W x 2 + (5W)
7.01

SAFU005

98W

12v Electronic   Direction Index number Flasher Whole with dash red light outturn
21W  x 4 + (2 x 5W)/ 21W x 2 +(5W)
13.75

SAFU016

140W

12v Heavy Obligation Physical science Flasher Relay.

21W x 6 + (2 x 5W) / 21W x (2 + 1) + (5W)
9.10

SASW299S

On/Off/Connected toggle switch for building usance 12v indicator flasher systems
3.74

AMP578

special rescript

Hazard Switch with shapely in 12v relay. Connect to left and moral pilot light circuits to add hazard warning function.

SASW238

Viridity panel warning lamp for dash and instrument control board when building custom indicator exhibitionist circuit

Direction Indicator Relay Description

Direction indicators must flash at a pace of 60 to 120 Flashes per minute to abide by with UK marking and ignition regulations.

Terminal Appellative in accordance with DIN 72 552

31 Common ground return line to Bad battery terminal

49 Supply Input (12v)

49a Output  of first turn signal circuit (to indicator switch)

49b Output of second turn signal circuit

49c Output of thirdly wrench signal circuit

C  First indicator (dash) light

C2  Second index (dash) light

Typical Circuit Description

Power is supplied from ignition circuit to terminal 49 of the flasher electrical relay via a fuse.
The output terminal 49a is wired to the centre pole of the trafficator on/off/on switch.
upon activating the direction indicator switch in either direction power is then supplied to the go signal lamps  through the lamp filaments to footing return completing the circuit .
The load of the flasher lamps is sensed by the flasher control unit causing information technology to switching on / off successively and the turn signal lamps to flash at betwixt 60 and 120 multiplication per minute.

Counseling Indicator Faults :

If other lamps flash indistinctly when indicators tour is in operation

This fault is usually caused past a high resistance to ground return expected to bad connection (bad earth faulty ground) on the flasher lamp circuit due to corroding or poor connection. May also be caused away different some other factors much A:

  • Supply wiring under rated : too small cable used
  • Incorrect bulbs fitted
  • Short lap on wiring loom, body control module, or switchgear.

    • Indicators flash rate too fast

    If the indicators flash too fast this whitethorn indicate that thither is insufficient load on the direction index circuit.

    Possible cause:

  • Failure of one of the counsel indicator bulbs
  • Incorrect wattage electric-light bulb fitted.
  • Faulty connection at lamp or body control module

    • Most vehicles use a 21 watt bulb at each main indicator lamp (front & rear) and a 5 watt bulb at the position repeater lamp.

    Direction Indicator Electric circuit Blows Fuses

    If the index number circuit causes a fuse to squander this usually means the insulation on wiring has become derelict causing a "short to ground".

    MoT Review  of Focal point Indicators

    A check is carried KO'd for :

  • Correct flash order of lamps 60 to 120 flashes per minute of arc
  • Direction pilot lamp procedure "not adversely strained past the operation of another lamp".
  • Visibleness  from front rear and side of the fomite.
  • Lamps must breathe an amber colour (first use date after 1st September 1965). Many manufacturers role a clear lens instead of the amber type. The indicator bulb where a clear lens is fitted is usually amber, the amber bulbs a great deal lose their amber coating causing the indicant to then appear white. This is a reason for failure.
  • Completeness : Indicant Lenses must not be broken
  • Security - Lamps switches and wiring essential be secure.
  • Every last indicators fitted must puzzle out
  • Operation of dash warning lamp or audible beep to appriz driver indicator is operational but only required if indicator lamps tail not be seen from drivers seat

    • Reference : Section 1.4 Mot inspection manual (2012)

    Multitimer (modern vehicles)

    Late model vehicles may role a "multi timer " unit built into the fuse board or body see module to operate charge indicators.
    The Multi timer often has several other functions related to timed circuits e.g. , interior light delay, appal sounder , reverse bleeper, and wiper blade delay.

    Seperate relay race may also be fitted for each blinker circuit

    Diagnostic testing of Indicator Lap on vehicles with body accountant module

    Diagnostic equipment with dedicated software can be accustomed chink the counseling indicator electrical circuit on some vehicles where a body controller module is fitted.

    Diagnostic equipment alive data readout of body faculty Crataegus laevigata show stimulant betoken from turn signal switch ON / Polish off function and hazard warning lights switch active function .

    Diagnostic equipment Component actuation function can command body control faculty to operate index number lamps allowing a straightaway functional hold in of lamp operation. Further testing of wiring continuity can be done with multimeter to check for breaks in wiring, forgetful to ground.

    Classic Car Indicators

    Necessary for counsel indicators depends on vehicle first use date.

  • 1st January 1936

    • Vehicles of first use date before 1st January 1936 currently have no legal requirement to be fitted with charge indicators

  • 1st September 1965

    • Vehicles of first use date antecedent to 1st September 1965 may combine indicators wit stop lamps operating theater front/rear position lamps so front indicator may flash white, rear indicator may fanfare red.

  • 1st April 1986

    • Vehicles of first use see after 1st April 1986 must have slope habitual criminal lamps fitted but these can be merged within the front direction pilot light if a wrap around lens is fitted so lamp is visible from side.

    Semaphore Indicators

    Typical voice number Lucas SF40 or Lucas SF80

    A semaphore arm raises outwards from the side of the vehicle organic structure when management indicator switch is activated. trafficator image

    Semaphore indicators (Trafficators) fitted to older classical and vintage vehicles often use an electromagnet to heave each semaphore build up.

    Semaphore indicators essential also illuminate but do non have to flash. The semaphore indicators can also Be wired to allow to flash.

    Many classic railcar owners have additional indicant lamps fitted for road base hit and to protect their fomite.

    Normal Direction Indicator Wiring Tour Colour Codes happening Standard British Vehicles

  • Unaged : Ignition circuits after ignition switch
  • Green/Pink : Ignition circuit via fuse supply to flasher relay
  • Green/Red : ICSH Turn Signal electric switch to Left hand direction index lamps
  • Green/White River : RH Turn Signal switch to Right hand direction indicator lamps

    • 12N trailer wiring colour codes for Direction indicant electrical circuit

  • Yellow (12N plug / socket terminal 1): Left hand Indicator
  • Green (12N secure / socket terminal 4) : Right hand indicator

    • Source: https://www.autoelectrics.net/12v_flasher_relay.html

    Posted by: boydllorens.blogspot.com