Quote:
Originally Posted by Yak
I think you may have a relay that is sticking and creating a reverse current path that keeps the ignition switch energized. That may explain the lights and the shutdown.
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Thanks Yak, this sounds like a very strong possibility. Someone on a different forum suggested that the second door switch may be for a feature which allows operation of the electric windows when the drivers door is open and keys removed from ignition. Maybe if the relay for that feeature is faulty then it might be doing exactly what you suggest. I've just been out to try and find this relay, but unfortunately it is raining buckets outside! That's the problem with living in Ireland - this time of year it rains more often than not! If its not raining in the morning I will take a look before I go to work.
The car is a RHD car, and indeed it does have an after-market alarm installed, but I don't think it is sophisticated enough to include a bespoke door switch. I see on the passenger side where there is a single switch there is also a stamping with blanking plate for a second switch in the same position as the lower one on the drivers door. Perhaps European models were equipped with this feature which allows electric window operation when the drivers door is open and the keys out of the ignition? It seems an odd feature though.
I will report back what I find tomorrow. Thanks again for your help and advice.