You can test it by removing the distributor cap and pulling the distributor
up far enough that you can turn the rotor by hand.  With the HV coil wire
near a ground, you should be able to produce some sparks.  (Ignition on)
 Injectors should also click.

Larry A.

On Mon, Apr 8, 2013 at 9:58 AM, john schaper <tahljohn@gmx.com> wrote:

> Still trying to diagnose and fix my intermittent start (latest theory is
> that it is do to dew point). Checked all grounds; saw some cracked wires to
> the distributor, spliced and repaired, vacuum lines connected, getting
> fuel, AFM is rebuilt, connections to fuel injection is good, coil is new,
> distributor is 2 years new as are spark plug wires. Swapped out a known
> good ECU with no effect. Now it won't start at all--just grinds with the
> engine turning. Now, after my recent repair fixes, it won't start and its
> 80 degrees! Reading the list and Bentley, the one item I haven't replaced
> or diagnosed is the Halls sender, generator or whatever is in the
> distributor. What does this thing do and could it be the problem?
>