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Old 18th August 2019, 18:20   #1
elefsis
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Default Any ideas

I was driving on the M25 yesterday when it started raining so I switched on my windscreen wipers, The rain got heavier and suddenly the wipers stopped and the interior courtesy light came on. I switched off the wipers and when I tried to restart them the courtesy light would shine and the wipers would be stopped. Luckily for me the rain stopped and I was able to continue my journey home, just before I got home I tried the wipers again and they started working normally - a strange one.
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Old 18th August 2019, 18:24   #2
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Cool

Earth , water ingress .
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Old 18th August 2019, 18:58   #3
dattrike
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Check the plenum drain.
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Old 18th August 2019, 21:05   #4
elefsis
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Plenum is fine it must be an earth, my son mentioned this when I asked him
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Old 19th August 2019, 07:24   #5
Mike Noc
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Both the wipers and interior lights are controlled by the Body Control Unit.
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Old 19th August 2019, 17:51   #6
Mickyboy
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As Mike Noc has pointed out both reliant upon BCU, I’d be checking there for possible ingress.
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Old 20th August 2019, 19:10   #7
elefsis
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Thank you guys re BCU, I have purchased a second-hand one but I believe they have to be T4 installed, Is that correct or can I just try the new second-hand one.
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Old 22nd August 2019, 02:01   #8
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think t4 would be required but also may be able to do it with TOAF program as toaf can read the bcu, add keys etc.
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