GolfGTIforum.co.uk

Model specific boards => Golf mk3 => Topic started by: Gash on 03 March 2011, 13:57

Title: rear fog problem
Post by: Gash on 03 March 2011, 13:57
Right basically my car failed its mot on a rear fog light out.  The bulb is fine and so is the board can anyone think what else could be the problem?
Title: Re: rear fog problem
Post by: dom on 03 March 2011, 13:59
Fuse? Checked the wiring for any obvious problems?
Title: Re: rear fog problem
Post by: Wayne on 03 March 2011, 14:11
Daft question but is only one working if so that should have not failed.
Title: Re: rear fog problem
Post by: Gash on 03 March 2011, 14:17
Fuse is ok as the front fogs comeon.. when I checked the fuse box there was only one fuse for fog lights. Iv only got a space for one fog on the drivers sife. My padsenger lights have a blank where the bulb would go.
Title: Re: rear fog problem
Post by: MiiTCH-GOLF on 03 March 2011, 14:51
My golf only has one fog light it don't gave another bulb lol it's only a 1.4 maybe that's why??? :S
Title: Re: rear fog problem
Post by: dom on 03 March 2011, 14:52
My golf only has one fog light it don't gave another bulb lol it's only a 1.4 maybe that's why??? :S

If it's not the fuse and it's not the bulb then it has to be the wiring or the contact point between the bulb and the holder.
Title: Re: rear fog problem
Post by: MiiTCH-GOLF on 03 March 2011, 14:54
My golf only has one fog light it don't gave another bulb lol it's only a 1.4 maybe that's why??? :S

If it's not the fuse and it's not the bulb then it has to be the wiring or the contact point between the bulb and the holder.
I'll try a bulb in there see if it works :)
Title: Re: rear fog problem
Post by: boneybradley on 03 March 2011, 14:58
I would remove the circuit board and really clean the contacts in the holder and also bend them up slightly and see if that works (I have charged £££ to do this on other cars! saxo's with aftermarket tail lights are most common  :grin:)
Title: Re: rear fog problem
Post by: dom on 03 March 2011, 14:59
My golf only has one fog light it don't gave another bulb lol it's only a 1.4 maybe that's why??? :S

If it's not the fuse and it's not the bulb then it has to be the wiring or the contact point between the bulb and the holder.
I'll try a bulb in there see if it works :)

Quoted the wrong person then, my post was aimed at the OP :embarassed:

I'm pretty sure yours should only have 1 rear fog light :smiley:
Title: Re: rear fog problem
Post by: Wayne on 03 March 2011, 15:24
My golf only has one fog light it don't gave another bulb lol it's only a 1.4 maybe that's why??? :S

If it's not the fuse and it's not the bulb then it has to be the wiring or the contact point between the bulb and the holder.
I'll try a bulb in there see if it works :)

Quoted the wrong person then, my post was aimed at the OP :embarassed:

I'm pretty sure yours should only have 1 rear fog light :smiley:


1 rear fog was standard on them all I believe, drivers side.
Title: Re: rear fog problem
Post by: Khare on 03 March 2011, 15:27
You only need one on the passenger side or one central.
Title: Re: rear fog problem
Post by: Gash on 03 March 2011, 15:53
I thought passenger too but was told drivers side. Mines a gti by the way. Checked the circuit board that's fine... as iv changed it. Bulbs is fine as thats new toi. Wire connector had a little corrosion but cleared that up. As for the wiring the connector goes from my driver to the passenger which has a load of extra wires... Il get a photo... so honestly no idea! Lol
Title: Re: rear fog problem
Post by: Khare on 03 March 2011, 15:56
Yeah sorry drivers not passengers.
Title: Re: rear fog problem
Post by: Gash on 04 March 2011, 09:44
right.
checked the wiring last night and there was onlya small amount of power going to the light.... sems strange theres enough to power, indicator, reverse, brake light, normal light but not the fog.

its got a new board, new bulb, new fuse, all i havent changed is the wiring

the first photo shows the wiring from my drivers side
(http://i104.photobucket.com/albums/m195/M70REL/hh.jpg)

i followed the cable to the passenger side light (which is a mess!)
i had a towbar on there previously so thats what all the wiring is off
circled is where the wires from the drivers side go to
(http://i104.photobucket.com/albums/m195/M70REL/untitled-7.jpg)
when pulled out the lights on the drivers side go out.

any help would be great got the mot retest monday and dont want to fail on that again.
Title: Re: rear fog problem
Post by: rubjonny on 07 March 2011, 10:02
see that grey/white wire on the passenger light cluster? where does it go. because that's the rear fog light wire colour, and i suspect its been bodged about as part of the towbar wiring.

lookign at the diagram it goes to pin 8 on the cluster on the passenger side? if so then i assume there is a jumper wire from there across to the driver side. this is probably where the issue lies. try putting a bulb in the passenger fog light housing, if it works you know you have power to the rear of the car at least