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Author: Subject: Electric Gurus - Hazard wiring.
loggyboy

posted on 5/3/13 at 04:32 PM Reply With Quote
Electric Gurus - Hazard wiring.

Ive seen a few ideas around recently for hazard wiring. But some seemed to use OE switch gear which can often incoporate functions that a standard on off doesnt, and, whist I havent decided 100% yet, I may use 'off the self' switches for hazards and indicators, or just the hazard.
Ive come up with this:



Will it work?
any suggestions/comments?

[Edited on 5-3-13 by loggyboy]





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Oranges

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The Venom Project

posted on 5/3/13 at 04:55 PM Reply With Quote
Why not buy this kit?

LED Hazard warning system for bike / trike / kit car (MOT) | eBay

I fitted mine in 20 mins





It's not that i'm lazy, it's that I just don't care.....

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loggyboy

posted on 5/3/13 at 05:13 PM Reply With Quote
quote:
Originally posted by The Venom Project
Why not buy this kit?

LED Hazard warning system for bike / trike / kit car (MOT) | eBay

I fitted mine in 20 mins


Does it has a anticlash function (ie so you cant indicate and hazard flash at same time)?

Thats also quite expensive, I can pick up all the parts for my setup for under 10.





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Oranges

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omega 24 v6

posted on 5/3/13 at 05:23 PM Reply With Quote
Looks fine to me on first inspection.





If it looks wrong it probably is wrong.

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renetom

posted on 5/3/13 at 05:37 PM Reply With Quote
Hi
This is what we did
Works fine
Good luck

hazard wiring
hazard wiring

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loggyboy

posted on 5/3/13 at 06:31 PM Reply With Quote
quote:
Originally posted by renetom
Hi
This is what we did
Works fine
Good luck

hazard wiring
hazard wiring



That one would also allow a clashing of hazards and indicators which I was keen to avoid. Also, would that dash lamp not be on all the time with that setup? I thought flasher relays had a perm earth.





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theduck

posted on 5/3/13 at 09:15 PM Reply With Quote
This my setup, simple but works


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loggyboy

posted on 6/3/13 at 12:45 PM Reply With Quote
After all my comments about having (what im naming) anticlash, the diagram ive done does still allow the hazards and indicators to work at same time, and I see no other way to avoid this than to have ANOTHER relay to disconnect the supply to the indicator switch when the hazards are activated.
Unless I can find a DPDT automotive relay which doesnt seem to exist. Anyone know of one?





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Oranges

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theduck

posted on 6/3/13 at 03:40 PM Reply With Quote
Just don't then them on at the same time ;-)

In answer to your wquestion though no I don't.

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loggyboy

posted on 6/3/13 at 04:04 PM Reply With Quote
quote:
Originally posted by theduck
Just don't then them on at the same time ;-)

In answer to your wquestion though no I don't.

LOL that would be the easiest, but im just trying to replicate OE principles, and if it doesnt cost me more than the price of a relay then may as well do it.

Heres the new idea.



Just really want to cut it down to 1 flasher relay and 1 control relay.





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Oranges

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Dunbikin

posted on 6/3/13 at 07:50 PM Reply With Quote
Hmmm.... This is more difficult than it sounds. Still trying to figure out a way though.





Ron said it would cost 250 quid. My wife thinks it did.

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rost

posted on 6/3/13 at 08:42 PM Reply With Quote
I don't see any problem in using the indicator stalk while the harards are on in your first diagram? The relay will still pulse the same way, so there will not be any difference in moving the stalk when the indicators are on?





Charlie don't surf!

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loggyboy

posted on 6/3/13 at 09:08 PM Reply With Quote
quote:
Originally posted by rost
I don't see any problem in using the indicator stalk while the harards are on in your first diagram? The relay will still pulse the same way, so there will not be any difference in moving the stalk when the indicators are on?


By jove give that man a biscuit... spot on conclusion!





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Oranges

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gremlin1234

posted on 6/3/13 at 09:09 PM Reply With Quote
the first diagram should work
the second needs amending so the relay coils are in parallel, (currently drawn in series)

however, if you can use a dpdt switch its possible with 2 diodes, and no relays
or dpst switch with 3 diodes, no relays
or spst, 2 flasher units, and 3 diodes, no relays
or dpdt, 2 flasher units, no diodes, no relays

else a suitable dpdt relay would be
http://uk.rs-online.com/web/p/non-latching-relays/7495155/

ps one of the 'clash's you can have, means if the hazards are on, and an indicator, the ignition circuit can be live for ~50% of the time.

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