You need to put one probe on the disconnected wire and the other on the battery terminal, so that the current runs through the meter. Dialling the meter to Amps is right though

I take it you got the .43v with the ignition off?
If so, did you check the battery voltage at the same time?

Last edited by brindle; 12/25/2011 7:54 PM.
Too old to die young, too ugly to leave a good looking corpse