Time to buy a multimeter.
You can find cheapys in the hung ching plastic shops for about $7 and DSE for about $8.
It's a worthwhile investment that will solve this problem and provide you with a tool as useful as a screw driver in the future.
G'day
I have the 12V power supply for a Fujitsu Tablet PC, model ST3500 that plugs into the car cigarette lighter.
Unfortunately the dog, through boredom on a long
trip, chewed through the cable. I did a "field" repair job and it
worked OK.
When I arrived home I re-soldered the cables to the
adaptor, connecting the black wire with the white thread (leader?) to the
positive (centre) terminal of the cigarette lighter plug.
I was certain that this was how it was originally set up. Now as soon
as I plug it in to the 12V car socket it blows the 8amp fuse in the
cigarette lighter plug. It does this without being plugged into the Tablet PC.
Have I wired it around the wrong way?
The newer power supply adaptors (12V DC to 16.5V DC) adaptors have a short circuit and under voltage protection and I assume this has something similar as it probably is any 5+ years old.
I don't want to swap the wiring over until someone wiser and smarter than me can offer suggestions.
Thanks
Neville
Cootamundra NSW
Australia
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Time to buy a multimeter.
You can find cheapys in the hung ching plastic shops for about $7 and DSE for about $8.
It's a worthwhile investment that will solve this problem and provide you with a tool as useful as a screw driver in the future.
good to see a near local boy on here nifty i just double checked for you on 2 center positive power supply's and the wire with the white stripe is the center positive wire so you have it wired right there must be a short somewhere in the wiring
IF IT DONT WORK USE A BIGGER HAMMER
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