 | Home > Tdi > Rear Wiper turns the ignition lights on! |
 
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| V12vanquish Member Since: 28 Sep 2014 Location: Northern Ireland Posts: 52   
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Sounds like a wiring short, look around the back door etc for a rubbed / nipped wire.
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8th Nov 2014 5:16pm |
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| PrivateB Member Since: 02 Dec 2013 Location: Lincolnshire Posts: 33 
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Thanks for the reply
just disconnected all the rear door electrics from behind the rear light and the fault is still there  |
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8th Nov 2014 5:54pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 
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there is a permament live and a ign live for rear wiper and guess there is a short between these two wires somewhere
sorry unable to tell you where as not a common problem as far I know what model is it little pic says 2013 post says 97 just to be sure |
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8th Nov 2014 5:59pm |
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| V12vanquish Member Since: 28 Sep 2014 Location: Northern Ireland Posts: 52
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Maybe have a look around the light switch and wiper switch for a wire rubbing the steering column area.
It might end up being difficult to find, but it sure sounds like wires touching some where. |
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8th Nov 2014 6:20pm |
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| CFB Member Since: 13 Sep 2007 Location: Bradford, West Yorkshire Posts: 803
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Water/moisture in the fusebox?
Leaky screen or bulkhead can affect it Andy |
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8th Nov 2014 6:25pm |
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| PrivateB Member Since: 02 Dec 2013 Location: Lincolnshire Posts: 33
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Thanks Munch90 - will follow those wires further along in the morning
Little pic is correct and so is the post  - it's a new (to me) Hard Top for work - 1997 110 300TDi Hard Top - ExMOD
Thanks again V12vanquish will look there as well. Strange thing is that although there is current draw (fuse arc's when putting it in) the fuse doesn't blow - not that I have left it in for more than a few seconds Last edited by PrivateB on 8th Nov 2014 6:38pm. Edited 1 time in total |
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8th Nov 2014 6:33pm |
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| PrivateB Member Since: 02 Dec 2013 Location: Lincolnshire Posts: 33
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Cheers Andy - doesn't appear to be wet but will check
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8th Nov 2014 6:35pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558
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just re read my post and not quite right , there is a ign fed switched feed and a ign fed live ign fed switched feed , is the one that you switch the wiper on and off with ign fed live is used to make wiper self park when you switch it off but still comes down to you got a short somewhere ! if there is a relay for rear wiper , might be worth starting there , pull relay out it might tell you which side short is on , before or after relay |
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8th Nov 2014 6:49pm |
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| PrivateB Member Since: 02 Dec 2013 Location: Lincolnshire Posts: 33
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What's making this even stranger is the fact that all this is happening with the ignition off.
Time to start digging deeper - Thanks all |
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8th Nov 2014 7:20pm |
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| V12vanquish Member Since: 28 Sep 2014 Location: Northern Ireland Posts: 52
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If there is a live wire touching somewhere it won't matter if the ignition is on or not.
I have my battery tender pig tail lead connected into he fuse box below the drivers seat, there are loads of live feeds in there with the ignition off. |
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8th Nov 2014 7:42pm |
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| I Like Old Skool Member Since: 23 Feb 2015 Location: Manchester Posts: 768 
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I know this thread has been idle for a while but just another option to be considered if this happens to anyone else.
When my 91 200Tdi did the 'possessed car' think one night, it turned out to be corrosion & shorting in the rear wiring loom where an aftermarket tow socket had been spliced in. Always worth unwrapping this and checking for bad/corroded joints in this area. |
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11th Mar 2015 12:44pm |
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