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Car Forum / Volkswagen / Water Cooled Volkswagen Cars / November 2009

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MK4 Golf Rear Demister Not Working

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K Morgan - 04 Nov 2009 11:15 GMT
Hi all,

The rear demister has stopped working.
I've also noticed the dash button is orange regardless of whither it's
pushed on or off.

I'm going to check the fuse this weekend, any help/experience would be
much appreciated.

The Golf is a 2000 GTI 1.8T

Thanks again
slider - 04 Nov 2009 11:50 GMT
> Hi all,
>
[quoted text clipped - 8 lines]
>
> Thanks again

Sounds like the button has gone?  Prise button from the dash and test with a
multimeter.
K Morgan - 10 Nov 2009 09:18 GMT
Thanks,

I've tested the switch and "SEEMS" OK.
Rear demister and heated mirror fuses good too.

I've read that the problem could be defective cabling between the boot
and boot lid so will check that this weekend.

Thanks again.

>> Hi all,
>>
[quoted text clipped - 11 lines]
> Sounds like the button has gone?  Prise button from the dash and test with a
> multimeter.
Peter smith - 10 Nov 2009 10:41 GMT
> Thanks,
>
[quoted text clipped - 5 lines]
>
> Thanks again.

That would be the next port of call. The right side where the rubber
ribbed gromit pops off easily and with all the opening and shutting of
the boot cll break the wires, a bit of extra wires solder and heatshrink
job done.

Exact same problem on my golf. Once was the switch and second time was
wiring had broken. A known weak spot in many cars from what I read aswell.

Good luck dude

>>> Hi all,
>>>
[quoted text clipped - 11 lines]
>> Sounds like the button has gone?  Prise button from the dash and test
>> with a multimeter.
Peter smith - 10 Nov 2009 10:42 GMT
> Thanks,
>
[quoted text clipped - 5 lines]
>
> Thanks again.

FOrgot to add one other possibility is the the actual rear demister
element in the rear window itself has a broken gap or something, which I
think you can get a fix pen at maplins or ebay to fix. But check the
wiring first is free :) and an easier fix.

>>> Hi all,
>>>
[quoted text clipped - 11 lines]
>> Sounds like the button has gone?  Prise button from the dash and test
>> with a multimeter.
 
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