Need to be sure the screwdriver is touching no metal (ie ground) other than the moving arm of the points when doing this test. Or use a small piece of wood like a 1/4" dowel or a plastic rod of some type.[/quote]


I have a small plastic/nylon screwdriver that I use for such testing.


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
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“I fought the law and the law won" now I are a retired one!
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USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)