GT40s.com
MK-I  MK-II  MK-III  MK-IV  GULF  MIRAGE  J-CAR  LOLA
GT40s.com
Home Forum Gallery Support GT40s.com  
Register FAQ Advertisers Search Today's Posts Mark Forums Read

Go Back   GT40s.com > >

Notices

GT40 Tech - Fueling, Electrics, & Engine Cooling Petrol, Electrons, & Water

Reply
 
Thread Tools Display Modes
Old 6th May 2017, 08:38 AM   #1
johnny cobra's Avatar
johnny cobra
4 Tenths
United Kingdom
 
Join Date: Jun 2015
Location: Essex
GT40: Tornado GT 40.
Posts: 408
Rear Fog light IVA.

Hi all has any body fitted the rear fog light gadget that turns off the fog light once you turn your light off. And don't allow the fog light to be left on .

I'm fitting one now ........ And wanted to know how you got on with it ..
It became part of the IVA list in 2013.

Can you let me know please ...
John.
__________________
Tornado 40 330 BHP IVA passed ........
johnny cobra is offline   Reply With Quote
Old 7th May 2017, 04:12 AM   #2
Nick Brough's Avatar
Nick Brough
Bronze Supporter
United Kingdom
 
Join Date: Apr 2006
Location: Warrington UK
GT40: SGT 351W G50
Posts: 1,748
Re: Rear Fog light IVA.

Quote:
Originally Posted by johnny cobra View Post
Hi all has any body fitted the rear fog light gadget that turns off the fog light once you turn your light off. And don't allow the fog light to be left on .

I'm fitting one now ........ And wanted to know how you got on with it ..
It became part of the IVA list in 2013.

Can you let me know please ...
John.
Hi John,

Have you bought the CBS box of tricks, I did mine with relays and it passed that part.

Nick
__________________
Regards
Nick
Nick Brough is offline   Reply With Quote
Old 7th May 2017, 04:30 AM   #3
johnny cobra's Avatar
johnny cobra
4 Tenths
United Kingdom
 
Join Date: Jun 2015
Location: Essex
GT40: Tornado GT 40.
Posts: 408
Re: Rear Fog light IVA.

Hi Nick Yes m8 I got the box of tricks ... All fitted now ... I also fitted an indicator buzzer . Just so I can hear it over the engine noise .. Fitting my starter button today .

John
__________________
Tornado 40 330 BHP IVA passed ........
johnny cobra is offline   Reply With Quote
Old 8th May 2017, 03:18 AM   #4
saxoncross's Avatar
saxoncross
8 Tenths
United Kingdom
 
Join Date: Mar 2007
Location: Norfolk, UK
GT40: Tornado
Posts: 851
Re: Rear Fog light IVA.

Hi John,
I know it's a bit late, but the attached is how to met the IVA requirements with a relay and a momentary switch. The only disavantage of this wiring is that you need to switch off the headlamps for the fog lamp relay to drop out. Good enough for the test though!
Keep up the good work
Rgds,
Andy
Attached Files
File Type: pdf GT40 - Wiring IVA fog light mod.pdf (43.5 KB, 34 views)
__________________
Failure is not an option, but cock-ups will happen
saxoncross is offline   Reply With Quote
Old 8th May 2017, 03:58 AM   #5
Nick Brough's Avatar
Nick Brough
Bronze Supporter
United Kingdom
 
Join Date: Apr 2006
Location: Warrington UK
GT40: SGT 351W G50
Posts: 1,748
Re: Rear Fog light IVA.

Quote:
Originally Posted by saxoncross View Post
Hi John,
I know it's a bit late, but the attached is how to met the IVA requirements with a relay and a momentary switch. The only disavantage of this wiring is that you need to switch off the headlamps for the fog lamp relay to drop out. Good enough for the test though!
Keep up the good work
Rgds,
Andy
Hi Andy,

I did similar for mine but put an extra on off switch so I could turn the rear fog light on and off without needing to turn the lights off.

Just remember if your tester checks your fog light is working, then accidentally turns off the on / off second switch before checking the tell light, it will be off and you will get a fail on your sheet ...... don't ask me how I know .
__________________
Regards
Nick
Nick Brough is offline   Reply With Quote
Old 30th January 2018, 10:58 AM   #6
MotorEddy's Avatar
MotorEddy
Rookie
United Kingdom
 
Join Date: Jul 2014
Location: Lancashire, UK
GT40: Southern GT #48
Posts: 28
Re: Rear Fog light IVA.

This has been discussed on all the usual forums - Pistonheads, Westfield owners, Locostbuilders etc - and debunked. There was a change in the 2013 IVA, but only to add some additional options for the operation of the fog light, not to make it mandatory. It's not helped by the column layout of the IVA manual...I'll try and make it clearer below:-

Rear fog lamps;
1. They must be operational
2. The correct number must be fitted to the vehicle (Table 1)
3. They must only emit a red light
4. The rear fog lamp(s) must only illuminate when dipped beam, main beam or front fog lamps are lit (see alternatives in Notes 3 and 4).
5. They must be positioned correctly to meet
a) the positional requirements of Table 1
b) the angles of visibility requirements of Table 1
6. Must be fitted with an operational “tell-tale” lamp (non-flashing) visible from the driving position
7. Either the switch or tell tale must clearly indicate that operation relates to the Rear Fog lights (see Note 1).
8. Must not be operated by a brake control
9. Fitted so that the reflector is facing squarely to the rear
10. An optional rear fog lamp must form a matched pair with the obligatory lamp.
11. An optional rear fog lamp must only operate with the obligatory rear fog lamp
12. All rear fog lamps must display an “e” or “E” mark with a “B” or “F” (see Note 2)

Notes
Note 1: This may be achieved by an unlit pictogram (see section 33) or appropriate words, the tell tale may be any colour provided it cannot be confused with any other tell tale.
Note 2: This does not apply to mass produced vehicles where there is evidence of either FMVSS or CMVSS approval:
  • when the fog lamp has been produced by conversion of a brake lamp,
    or
    evidence that the lamp gives suitable intensity has been provided.
    or
    In the case of North American produced vehicles the lamp gives equal intensity to the stop lamps.
Note 3: front fog lamps may be illuminated with the side lamps only.
Note 4: Either of the following scenarios will also be considered acceptable:
  • The rear fog lamp(s) may continue to operate until the position lamps are switched off, and the rear fog lamp(s) must then remain off until deliberately switched on again or,
    An audible warning, additional to the mandatory tell-tale light, must be activated if the ignition is switched off or the ignition key is withdrawn and the driver's door is opened, whether the lamps in (RS4) are on or off, whilst the rear fog lamp switch is in the "on" position.


Basically what the new wording tries to do with Notes 3 & 4 is describe the foglight operation which is built-in to many CANBUS-equipped vehicles. If one of these vehicles is brought into the UK as a personal import and has to pass IVA it will be able to do so under the optional modes of operation in these notes. If you're building your own vehicle then it's business as usual - have the rear foglight only come on if dipped/main are already on (main point 4).

VOSA have offered the following clarification by e-mail to several clubs / enquiries:-

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Good Morning ****

We understand that there is some confusion over Note 4 in section 28 regarding the operation of rear fog lamps, the intention of Note 4 was to allow these options but not mandate them.

The requirement for the rear fog lamps are as follows:
The rear fog lamp(s) must only illuminate when dipped beam, main beam or front fog lamps are lit,

But the other conditions listed in the Note 4 will also be accepted if manufactured / wired up that way,

The manual is currently been amended and will clarify the operation of the rear fog lamps and the accepted alternatives, we have already issued a memo to all IVA Examiners with the correct information so VOSA Station should now be applying the correct standard.

Hopefully this will resolve your concern

For all the requirements regarding IVA can be found in the Inspection Manual which is free to download from Vehicle approval - GOV.UK

many thanks
*******

*******
Approvals Policy Engineer
Approvals Scheme Management
Scheme Management and External Relations

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Hope this helps anyone who happens upon this thread.
MotorEddy is offline   Reply With Quote
Reply

Tags
fog, iva, light, rear, wanted


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump


All times are GMT -4. The time now is 08:00 AM.