Quote:
Originally Posted by Gaz64
Please reread your above statement.
You're telling me you have a voltmeter connected between your disconnected ground wires and ground.
Of course you'll read something, that's not how you look for voltage drops.
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That's exactly what I'm telling you. You could also check it the same way on the 2 hot leads going to the box, the switched and unswitched power supplies. Place the voltmeter in series
...not looking for voltage drops (that's not what we're doing anyway), looking for MSD box power drains through the box's ground circuit(s). If everything's off ... no, you shouldn't read voltage.