Quote:
Originally Posted by thstone
Most likely, your wiring has developed an intermittent short over the years.
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Totally agree. By upping the fuse, you are allowing a higher current to flow through the wires that have been designed for and potentially you are making for the possibility of starting a fire or making smoke signals. I know its hard to find a short, but it is what is needed. I have found the wiring not the best in the Boxster with no real covering in the wiring looms. Any vibration/rubbing against the chassis goes through the current carrying wires and not the covering sheath.
Cheers Wallace