Normal test results.
Diagnosis:
Put your test light on the - side of the coil and crank. The lamp should
flash. If no, the points are not closing, they are burned up, the
condenser is toast, or the breaker plate isn't grounded. If it does
flash, check the dwell with a dwell meter (35°) and test the condenser
with the condenser test function of the dwell meter. Doesn't have one?
Buy a better meter. Test the coil with an ohm meter. Look for 1-5 ohms
across the primary terminals, and over 1K secondary between the coil
tower and either primary terminal. If this tests ok, look for the rotor
grounding through the distributor shaft; an open coil wire, a missing
distributor cap coil terminal button, or less than battery voltage at
the + coil terminal during cranking. All OK? Make sure the distributor
is actually turning when cranking. It is? Replace the coil. Still no
spark? Hire a mechanic.
JR

bayman wrote:
I have a 1987 Bayliner with a 350 engine in it.

I am not getting any spark to the plugs. It is a breaker points system.
Is the coil supposed to be hot with the key on at both the positive and
negative sides? I touched a test light to both the + and - terminals
and the light glows on both. I also touched the wire inside the
distributor and it is hot but the other side where the contacts touch
is not hot when the points are closed.

Any body know anything about this?

Thanks,
Bayman.



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