JRS:
More than likely the "disintegrated plug" had some electronics in it to
reduce and regulate voltage. I wouldn't screw around with home made
remedies..... get a "factory" replacement plug and cord and save yourself
some greif.
Daniel Sofie
Electronics Supply & Repair
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"JRS" wrote in message
...
Hope someone might be able to offer some advice.

I have a tomtom Ipaq cradle with wired GPS receiver that is powered from
the
cigarette lighter. The plug that goes into the lighter socket in the car
has
disintegrated. I have a separate HP car charger for the Ipaq (5V 2A) that
I
don't use and thought I could just chop the jack off the power lead for
the
cradle and attach it to the Ipaq lead. However, having chopped both jacks
off and come to join them the Ipaq lead has 3 wires (red, yellow and
white)
and the cradle lead has just black and white. I thought I might just be
able
to measure the resistance of each wire to determine which part of the plug
each is connected to but they all show reduced resistance. Is it possible
to
do what I am attempting and if so how!

Thanks

Jon