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Enabling both rear foglamps in Octavia II FL

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hello friendz

does anyone know how to activate both rear fog lamps in 2011 octavia II FL 2.0 TDI via vcds. I tried but there is no option regarding this in central electrics 09 in VCDS.

Regards

Alam

Lots of threads on this over the years.

It can be done on the pre-FL, some claim to have done it on the FL but no proof as of yet!

  • Author

Lots of threads on this over the years.

It can be done on the pre-FL, some claim to have done it on the FL but no proof as of yet!

What I think my friend is that only way to enable both rear fog lamps is, to connect them on a common live circuit and and add a 12V 5W resistor on to the other. What do you say? Is it advisable or safe for controller.

Regards

Alam

I can remember a thread where someone tried to connect up the second foglight by using a bridging wire and running it under the boot floor.

The result was some weird, wonderful and unexpected lighting combinations, brake lights flashing instead of indicators etc.

I reckon the electronic brains on modern cars are now a lot cleverer than we are :giggle:

What would be really useful is a car that steps in for the numpty drivers and switches the fog-lights off when its not foggy. Never ceases to amaze me how many people switch them on when its raining . . . pretty distracting too. The only plus side is that it warns you off about how completely bereft of road awareness the driver is likely to be.

Back on topic sounds like a lot of bother to achieve the result. If you put two bulbs on one circuit the controller would almost certainly raise a fault so you would need to add a live feed, a relay, a load resistor in place of the active light and possibly another one for the inactive light. To isolate the foglight circuit you would also need to either cut into the loom, do something nasty inside the light fitting or neatest solution make up two plug and socketed extensions that could be inserted between loom and lamp fitting on each side and cross-connecting the two lamps.

You might be able to sneak the relay into the active lamp circuit without triggering a fault on the controller in which case you wouldn't need the load resistor.

Do you think you would not get hit by someone from behind if you have 2 fog lights? I doubt it, one is enough, thought i loved the old Audi A6 2 fog lightes one sides of numberplates.

  • Author

What would be really useful is a car that steps in for the numpty drivers and switches the fog-lights off when its not foggy. Never ceases to amaze me how many people switch them on when its raining . . . pretty distracting too. The only plus side is that it warns you off about how completely bereft of road awareness the driver is likely to be.

Back on topic sounds like a lot of bother to achieve the result. If you put two bulbs on one circuit the controller would almost certainly raise a fault so you would need to add a live feed, a relay, a load resistor in place of the active light and possibly another one for the inactive light. To isolate the foglight circuit you would also need to either cut into the loom, do something nasty inside the light fitting or neatest solution make up two plug and socketed extensions that could be inserted between loom and lamp fitting on each side and cross-connecting the two lamps.

You might be able to sneak the relay into the active lamp circuit without triggering a fault on the controller in which case you wouldn't need the load resistor.

Hello there

I think it would be better to keep it ON single as original, because here in India we don't have that kind of weather where one would need rear fog lamps. we use only to show off and it is not mandatory as per Indian vehicle norms. any ways I tried with VCDS 10.06 by adapting VW Touran light settings, both rear fogs came ON but left with faulty bulb warning light on the dash. I checked the faults and it showed me fault in left tail light14, I checked physically and all the bulbs were working fine may be Touran has different light set up. I can drive my car with the faulty bulb light ON if it is safe for the controller. I don't know whether it is safe or not.

Dont you have to use long coding to get the option for the 2nd fog light on the FL?

Several members have successfully enabled it with VCDS and a genuine cable.

From my point of view, the way to have both rear foglights activated is to find the wire from light switch and see where is hooked up on de module.

I got the feeling that from left to right hand drivers it will also change the way it´s hooked up on the module( location).

Soo, one wire to one plug on module, right hand side drivers to X on plug, left to Y on plug.

On both X & Y you have both foglights activated.

From my point of view, the way to have both rear foglights activated is to find the wire from light switch and see where is hooked up on de module.

I got the feeling that from left to right hand drivers it will also change the way it´s hooked up on the module( location).

Soo, one wire to one plug on module, right hand side drivers to X on plug, left to Y on plug.

On both X & Y you have both foglights activated.

You don't need to rewire the car, just reprogram it to do what you want :)

You don't need to rewire the car, just reprogram it to do what you want :)

But I've never heard of anyone successfully enabling the second Fog on the FL version.

I'd love to hear someone definitely confirm they have seen it done, but these threads usually end up with nobody confirming :)

Just out of interest, why is enabling the second fog light so popular?

Against two rear fog lights: masking of the rear brake lights.

For two rear fog lights: additional visibility in dense fog.

Against two rear fog lights: masking of the rear brake lights.

For two rear fog lights: additional visibility in dense fog.

If you have one rear fog lamp I believe it should be fitted to the centre or offside of the vehicle (ie near the centre of the road). However if you drive on the continent an offside rear fog lamp here would turn into a nearside fog lamp. Having both fog lamps enabled means these's no issue. Mind you whether or not it's a legal requirement for a foreign visitor (over here or us travelling abroad) to have a working centrally-mounted or offside fog lamp is another question. Personally I'd prefer both to be operational just for aesthetic reasons - I like symmetry :thumbup:

But I've never heard of anyone successfully enabling the second Fog on the FL version.

I'd love to hear someone definitely confirm they have seen it done, but these threads usually end up with nobody confirming :)

+ 1 :thumbup:

  • Author

+ 1 :thumbup:

Anyways, one thing I would like to know is there anyway to rewire the 12v socket through key because it runs even when the car is off and I lost my car battery accidentally by charging my laptop overnight.

Regards

Alam

Just out of interest, why is enabling the second fog light so popular?

Can't speak for others but when my wife was commuting between Sheffield and Alderley Edge over the Cat and Fiddle we had it enabled - just to increase visibility as it's often pretty foggy up on top...

Personally I'd forget the idea - it is (IMHO) dangerous to have two foglights - people can easily mistake them for brake lights.

When I went to see Carl recently he offered to code my FL for two lights but I declined so I would imagine it can be done with VCDS.

Personally I cannot see how you could mistake two fog lights for brake lights.

I don't know of any car that has brake lights as bright as rear fog's.

Just personal opinion.

Anyway, I still stand-by the fact I know of nobody with a FL Octy who has managed to activate the second rear fog.

As I said before, plenty of people make claims, plenty of people say they "know how to do it" but I'm as of yet still waiting to hear anyone with a FL actually say "Yes, I have both rear fogs working on my car".

Personally I cannot see how you could mistake two fog lights for brake lights.

Especially with the high intensity LED brake light mounted at the top of the rear screen well away from the fog lights.

There have been many threads about enabling twin rear fogs on the FL, but as mentioned above no one can prove it can be done!

Personally I'd forget the idea - it is (IMHO) dangerous to have two foglights - people can easily mistake them for brake lights.

When I went to see Carl recently he offered to code my FL for two lights but I declined so I would imagine it can be done with VCDS.

Nope i said i couldn't do it. Only on Pre-FL :)

Anyway, I still stand-by the fact I know of nobody with a FL Octy who has managed to activate the second rear fog.

You are indeed correct. It is impossible at the moment even with VCDS 11.8 Beta to enable the second foglight. Their is no way of doing it in the coding and trust me i have looked everywhere in the coding & long coding.

Had a thought today.

If you change the country to an EU one, does it swap the fog over? Or is there a separate option to disable the R/H one and enable the left?

My thoughts are this is a country code thing like the MPH on the dash display.

Had a thought today.

If you change the country to an EU one, does it swap the fog over? Or is there a separate option to disable the R/H one and enable the left?

My thoughts are this is a country code thing like the MPH on the dash display.

It should change over, that´s why I think it has to do with the wiring from switch to module.

It should change over, that´s why I think it has to do with the wiring from switch to module.

As in the wire is missing?

It'd be strange to have differing looms when everything else is standard.

  • 6 months later...

Sorry for dragging up an old topic...

I have recently purchased a new FL Octavia VRS Estate (delivery in July) and will be taking it to Germany with work. Is it now possible to activate both fogs or to switch fog from RHS to LHS using VCDS?

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