As the title says, when ignition is switched off the heater/blower fan continues to run and ultimately flattens the battery.
The blower works in all the positions so this kind of rules out the known fault of resisitors.
Other ancillary items like radio, wipers etc switch off when the ignition is switched so suggests to me something unique to the blower?
When I pull the fuse under the bonnet for the blower it kills it dead so its doing its job. Could it be a jammed relay somewhere? I can't see any mention of a relay for the blower?
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