Thanks for that explanation David.

Admittedly, compared to some, I'm still somewhat of a hack at Digifant
trouble shooting but I've found a VOM quite useful. But....

Are there not benefits to using the Shoe Box gizmo to test various
parts while the vehicle is being driven? (engine under load, or not,
etc.)

Neil. Who may never develop the skills to solder a DB25 connector to
ECU but would like to try!

On 7/13/15, David Beierl <dbeierl@attglobal.net> wrote:

> .....  As Darrel said, it
> doesn't do anything you can't do with a voltmeter
> and a couple of needles to pierce insulation.

--
Neil n

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