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Fog light supply
iiyama - 18/1/08 at 08:57 AM

Wheres best to take this from? What IM getting at is does it have to go off if main beam is applied? Should it come on if only side lights are on?

Ta!

stuart_g - 18/1/08 at 09:01 AM

I beleive they should only be able to be switched on when the main beam is on.

Humbug - 18/1/08 at 09:28 AM

quote:
Originally posted by stuart_g
I beleive they should only be able to be switched on when the main beam is on.


Definitely not correct... it should be able to be switched on when the dipped beam is on (think about it... would you use a fog light only with main beam on?).

I believe that it cannot be wired to switch on without any of the other lights, i.e. it must only work when a minimum of rear lights + side lights are on

bonzoronnie - 18/1/08 at 10:17 AM

Why not take a feed from on of your dipped beam wires.
This could be used for the switch feed for your foglight. The light will only work when you are on dipped beam then.

If memory serves me right. The foglight must also have a visual indication it is on. Either on the switch or on the dash.

I dont think the foglight needs to work when only the sidelights are on.
It is illegal to drive in fog showing only sidelights.

Ronnie

RichardK - 18/1/08 at 10:36 AM

I thought the dipped beam part of the headlight went out when on full beam, in this case the fog light would go out too, sidelights a better option?

Rich

02GF74 - 18/1/08 at 11:01 AM

quote:
Originally posted by RichardK
I thought the dipped beam part of the headlight went out when on full beam, in this case the fog light would go out too, sidelights a better option?

Rich


yes. I asked about this recently.
this is how it is.

1. side
2. side + dip
3. side + main
4. side + dip + main when flasher is used.

Paul TigerB6 - 18/1/08 at 11:35 AM

Simple answer would be to turn on your rear foglight on the tintop and see if it switches on with sidelights only or dipped headlights. Just take the feed from the same as your normal car (suspect sidelights)

RazMan - 18/1/08 at 12:11 PM

Side lights without a doubt - you don't want to be flashing your rear fog light when you flick between beams do you?

stuart_g - 18/1/08 at 02:50 PM

quote:
Originally posted by Humbug
quote:
Originally posted by stuart_g
I beleive they should only be able to be switched on when the main beam is on.


Definitely not correct... it should be able to be switched on when the dipped beam is on (think about it... would you use a fog light only with main beam on?).

I believe that it cannot be wired to switch on without any of the other lights, i.e. it must only work when a minimum of rear lights + side lights are on


Main beam meaning normal driving lights NOT high beam, that would be silly.

Thinking about it I have to agree with side lights as the main beam lights often go out when high beam is on.

[Edited on 18/1/08 by stuart_g]

iiyama - 18/1/08 at 06:44 PM

Ill take it from the supply to the change over relay then. This means it will not come on with parking/side lights and will not send morse to the car behind if i flick between main and dipped beam.

Jobs a goodun!

Ta!

turbodisplay - 18/1/08 at 07:48 PM

As above.
I`m using vauxhall stalks.
The main beam/ dipped beam are switched over within the stalk. Before the stalk is the headlight switch.
I think most cars use this methodology.

Darren