Hi Zoltan:
        I'm not sure of the type of corrosion or gunk that is coating
your female connectors, however if it was rust there is a 'dip' or
'slurry' (called NAVAL JELLY) that I use to brush on my hand saws or
tools that eats rust and leaves the tool bright and shiny.
        Mind you, you have to rinse the goo off as soon as the tool
is clean and dry it and oil it, but it leaves my tools looking like
new.

                                                David(dsl82westy)
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>I just noticed, my first posting has a typo in the headline.  I
>meant "tool" not "too".  Sorry.  But, I'm sure, most of you have
>obviously noticed what it was supposed to be.
>I got one reply so far.  Mike suggested to change the female
>connectors with some awsome OE ones.
>I thought, a cleaning tool would have made it easier and faster.
>Zoltan