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Old 26th July 2015, 12:05   #11
RoverDan
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Originally Posted by Geoff130 View Post
I had something similar a few weeks ago, never happened before or since. Having been driving in the rain I was about to walk away from the car and noticed the wipers were still on and the car hadn't locked. The wipers would switch off with the ignition on or in aux but as soon as I turned it off the wipers came back and so did the head unit. I ended up pulling the wiper fuse and had to lock the car with the key. Eight hours later I put the fuse back and everything has been fine since. I still don't know why and it's been on a T4 since with no hint of this.
I had similar problems in the wet when my battery was on the way out and not holding a charge. I guess the wet shows it up because you've got the wipers and lights on in addition to all the usual. A good charge overnight fixed it temporarily, a new battery fixed it for good.

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Originally Posted by rich17865 View Post
Live and switched live being reversed sounds like something I have read before.
Perhaps the source of the discharge if the battery itself is fine...?
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Old 26th July 2015, 12:09   #12
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Perhaps the source of the discharge if the battery itself is fine...?
more like the path to ground causing issues with one of the busses
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Old 26th July 2015, 12:26   #13
Christopher
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Originally Posted by klarzy-dials.com View Post
more like the path to ground causing issues with one of the busses
Certainly does seem like a ground issue - suspect is that the HU is not grounding properly ... I wonder if i can narrow down to the point in the car were the HU wiring is grounded (and does it share a spot with the BCU wiring??)
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