tims31
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| posted on 23/3/17 at 07:46 PM |
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LED and standard bulb hazard not working
After some info on this issue please.
I have my car wired up with LED rear, LED repeater and standard bulbs at the front and a Durite hazard switch which all operates fine with the
standard Ford relay except flashes too fast.
I replaced the standard Ford flasher relay with this
Electronic flasher relay from Vehicle Wiring
Products and thought being an electronic relay it would sort out the flashing issue but it still flashes fast but also when using the hazard switch it
just lights all the lamps dim and doesn't flash.
 
Description
The hazard is wired as per the diagram below and as I said works fine with the standard relay.
 
Description
Would it be that the rating of this relay is too much being 98W or is that irrelevant?
Any ideas please?
Build: http://www.martinsfurybuild.co.uk/
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Mash
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| posted on 23/3/17 at 08:37 PM |
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I tried a similar relay with mine and had no luck, so ended up using led flasher resistors from ebay (about a fiver a pair) only have one in each
circuit and it works fine.
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tims31
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| posted on 23/3/17 at 11:11 PM |
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quote:
Originally posted by Mash
I tried a similar relay with mine and had no luck, so ended up using led flasher resistors from ebay (about a fiver a pair) only have one in each
circuit and it works fine.
Do you mean you only needed one per side? How many LED lamps do you have fitted as I have 1 at the rear and 1 on the side.
Build: http://www.martinsfurybuild.co.uk/
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Phil_1471
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| posted on 24/3/17 at 07:53 AM |
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I used https://www.ebay.co.uk/itm/142182911991 after I changed everything to led. Just adjusted the flash time on it until it looked something
normal.
Phil
You can live in a car but can't rally a house
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tims31
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| posted on 24/3/17 at 08:08 AM |
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quote:
Originally posted by Phil_1471
I used https://www.ebay.co.uk/itm/142182911991 after I changed everything to led. Just adjusted the flash time on it until it looked something
normal.
Phil
I need a three pin, have seen a few just hope it will work with my hazards
Build: http://www.martinsfurybuild.co.uk/
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Phil_1471
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| posted on 24/3/17 at 10:57 AM |
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https://www.ebay.co.uk/itm/272345319953
Thought the 3rd pin was only an earth though?! For £7 it's worth a try :-)
Edit- looking at what you purchase originally, it's not designed for LEDs so it wouldn't have worked (IMO), it's just a 'non
mechanical' flasher by looks of spec
[Edited on 24/3/17 by Phil_1471]
You can live in a car but can't rally a house
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jeffw
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| posted on 24/3/17 at 11:43 AM |
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You really need to be either all LED or not. Any hybrid state will cause issues. Go all LED and use a specific LED flasher unit and it will all work
fine.
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tims31
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| posted on 24/3/17 at 11:56 AM |
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quote:
Originally posted by jeffw
You really need to be either all LED or not. Any hybrid state will cause issues. Go all LED and use a specific LED flasher unit and it will all work
fine.
Trouble is I dont think that will work with the hazard switch I have used and that is all installed in the dashboard. I'd rather not have to
take the whole dash apart again and replace the switch if I can help it.
Build: http://www.martinsfurybuild.co.uk/
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tims31
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| posted on 24/3/17 at 12:49 PM |
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Ok, it looks like I was wrong originally. The lamps flash too fast with both the Ford relay and the electronic one but at the correct speed when using
the hazards which I guess is because there is more load.
Think I may just need to try a different electronic flasher relay
Build: http://www.martinsfurybuild.co.uk/
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peter030371
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| posted on 24/3/17 at 05:07 PM |
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With the right relay (one that is not load dependant) it doesn't matter if you have a mixture of LED and normal lights.
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tims31
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| posted on 24/3/17 at 05:41 PM |
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quote:
Originally posted by peter030371
With the right relay (one that is not load dependant) it doesn't matter if you have a mixture of LED and normal lights.
Can you suggest which would be a good one to use three pin format as the one posted above
Build: http://www.martinsfurybuild.co.uk/
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miskit
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| posted on 24/3/17 at 09:57 PM |
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Usually you don't wire the electronic led/normal 3 pin units to earth at all. The unit goes in series with the +ve and the switch. The unit
senses current flow (ie lights connected) and switches it on and off at a fixed rate. The indicator switch directs it to the appropriate lights. The
3rd pin is just for the dash light (else even the tiny dash light draw triggers it all the time).
Just checked yours and its not an auto sensing unit so it wont work with LEDS
[Edited on 24/3/17 by miskit]
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snowy2
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| posted on 25/3/17 at 09:48 AM |
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my car has run two standard bulbs and two led bulbs for over 5 years with no problems.....if the flasher relay is fitted on the power supply line (use
two one for indicators and one for hazards) you wont have problems.
i dont even use a "proper" hazard switch, just a standard dpst switch (on/off .... six terminals underneath) no problems.
sometimes you are the pigeon, most of the time the statue.
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peter030371
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| posted on 25/3/17 at 10:43 AM |
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quote:
Originally posted by tims31
quote:
Originally posted by peter030371
With the right relay (one that is not load dependant) it doesn't matter if you have a mixture of LED and normal lights.
Can you suggest which would be a good one to use three pin format as the one posted above
Give Car Builder Solutions a call, they may cost a couple of pound more but if they recommend one and it doesn't work you can send it back.
I don't have relays on my system but one of these with steering wheel mounted buttons  Self-Canceling Turn Signal Module
Signal Dynamics 1501
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tims31
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| posted on 25/3/17 at 11:20 AM |
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yes, it looks like the relay I have used isnt right and may be the cause of the problem. I'll try another sepcifically for curing the fast flash
and see if that works, it seems like others have the same set up as me and this has worked for them.
I'll report back when I have tried another relay.
Build: http://www.martinsfurybuild.co.uk/
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miskit
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| posted on 25/3/17 at 06:11 PM |
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I just bought this one NEW LED FLASHER UNIT RELAY INDICATORS 12V FOR LED LIGHT TURN SIGNAL 3 PIN 160949 - I had previously
bought a cheap orange one that seemed to be a bit temperamental. This one is made by part of the Bosch group (apparently!)
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BenB
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| posted on 25/3/17 at 06:13 PM |
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I've got this one on my car with a mixture of LED and normal.
DC 12V 3 Pin Electronic Flasher Relay Fix LED Turn Signal Light Indicatior Flash
In my case I've got a slightly strange set-up with a 2-pin for hazards and a 3-pin for one-sided flashing. But it works so hey 
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tims31
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| posted on 27/3/17 at 08:25 AM |
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quote:
Originally posted by BenB
I've got this one on my car with a mixture of LED and normal.
DC 12V 3 Pin Electronic Flasher Relay Fix LED Turn Signal Light Indicatior Flash
In my case I've got a slightly strange set-up with a 2-pin for hazards and a 3-pin for one-sided flashing. But it works so hey
Thanks guys, I've ended up buying one of these eBay Item and hope that it cures my problem. This is the one with the correct pin
layout for mine CF14 as opposed to the CF13 which seems more common.
Build: http://www.martinsfurybuild.co.uk/
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tims31
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| posted on 29/3/17 at 08:08 PM |
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Well it looks like the relay I had before was the problem. The new one arrived today and the indicators all flash at the correct rate both each side
and on hazard, thanks for all the help guys.
One less job before IVA 
Build: http://www.martinsfurybuild.co.uk/
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