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Old Apr 2, 2018 | 12:34 PM
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Default Rear fog no power

Ok sooo I think I must have blown a fuse or somthing re installing my fog switch
I checked prior to install which was the power lead via multimeter with headlights on.

Now the switch didn’t light up so removed it a check for power again and nothing the plug the power is taken from isn’t receiving power.

I’m trying to figure out what the wire / plug is for where the power is taken from for the rear fog switch so I can figure out what fuse it maybe... but I’ve checked all fuses again with a multimeter for continuity on the back the 2 little contact points are and all seem fine..

Also everything else seems to be working in the car just that I can see.

The 3 wires I’m holding are for the fog switch and the plug is where it’s taking power from I tested the plug also and doesn’t seem to be getting power now either.




03 jdm blob

Last edited by crazyspeedfreakz; Apr 2, 2018 at 12:36 PM.
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Old Apr 2, 2018 | 01:14 PM
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Your headlights on when your trying?
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Old Apr 2, 2018 | 01:16 PM
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Hi beastie, as above, yes headlights are on when trying, something has defiantly blown I need to no what the main plug is for above as I will be able to trace what has blown..
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Old Apr 2, 2018 | 01:23 PM
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What's the corresponding pinout/wire colours for the plug and which one/s have you tapped into??
What other oem switches have you got fitted alongside?
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Old Apr 2, 2018 | 01:31 PM
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Old Apr 2, 2018 | 01:33 PM
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I have ic manual and auto spray there is only one plug not been used the one in the photo and that is the one power is been taken from except now there is no power
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Old Apr 2, 2018 | 01:37 PM
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Don if it makes any difference it’s a spec c 03
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Old Apr 2, 2018 | 03:07 PM
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Originally Posted by crazyspeedfreakz
I have ic manual and auto spray there is only one plug not been used the one in the photo and that is the one power is been taken from except now there is no power
And you don't take pictures that clearly show which colour wire goes to which pin

Using below as a guide (when looking onto the pins) which colour wire goes to which pin and which coloured wires have you tapped into for the fog switch?

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Old Apr 2, 2018 | 03:33 PM
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1) green / black stripe. 2) all black

3) Black / Yellow stripe 4) purple 5) black 6) black/ white stripe



That is if I was looking directly at the plug from the front of that makes sense.. sorry for the rubbish pics

Last edited by crazyspeedfreakz; Apr 2, 2018 at 03:45 PM.
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Old Apr 2, 2018 | 03:34 PM
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Old Apr 2, 2018 | 03:38 PM
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Power seems to be taken from the purple wire
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Old Apr 2, 2018 | 03:42 PM
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You've got a typo.

3) black/yellow stripe.

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Old Apr 2, 2018 | 03:46 PM
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Thanks joz ... I’ve edited above
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Old Apr 2, 2018 | 03:58 PM
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OK, well from what i've seen, your specC, like the UK STi, comes with the wiring in place for the front fog lights.(although some wires are different colours- as to be expected)

Pin 4 (violet) is the power supply for the illumination bulb.
Pin 1 (green/black) is switched power to active relay
Pins 2 & 5 (black) both earths

On a UK car Pins 1 & 4 are both supplied from Fuseboard (by drivers right knee) fuse number 12 (middle row -right hand fuse) 10A

Last edited by Don Clark; Apr 2, 2018 at 03:59 PM.
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Old Apr 2, 2018 | 04:17 PM
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Wouldnt it be quicker just to go thru and check the fuses ?
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Old Apr 2, 2018 | 04:20 PM
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Don u hit the nail on the head 12 is blown don’t no why the multimeter
Still beeped when I checked it but thank you for solving that one #legend
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Old Apr 2, 2018 | 04:23 PM
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Originally Posted by JDM_Stig
Wouldnt it be quicker just to go thru and check the fuses ?

That was the first thing I done with a multimeter I done both under Bonnet
And under dash just for some reason it didn’t show up
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Old Apr 2, 2018 | 04:30 PM
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Visual I.D.-ing FTW.
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