<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:<hr /><font size="1" face="Verdana, Helvetica, sans-serif">Originally posted by Ivo:
<strong>as an educated man I can only say: this is the way it should be done .... and make sure you connect the black wire of your voltmeter to a CORRECT ground

</strong><hr /></blockquote><font size="1" face="Verdana, Helvetica, sans-serif">Thanks Ivo, i forgot
(i believed, "use a voltmeter" includes all this

)