Randall wrote:
>Not to belabor the obvious, but you should get 3 sparks per crank revolution
>at the coil wire.
Actually, I didn't count the sparks. I was just looking for
repetitive sparking.
>If you can still get spark from the coil wire, but not
>from the plug wire(s), I would suspect the rotor has failed.
Interesting. I am operating on the assumption (again, I know that's
risky) since the car had been running fine up until this failure,
that the basic cap/rotor/wires etc. are in the same operable
condition they were before. It'd be one heckuva coincidence if the
rotor failed, the ignition switch failed, AND a short circuit
appeared as if from nowhere in the purple circuit. Having said that,
I am amazed and curious as to why this purple circuit short has
coincided with the ignition switch failure. Yeesh. Maybe you're
right
I'd better check it out!
>Didn't try a timing light, but I've had them not fire on a badly fouled
>plug, the same thing might happen for a shorted rotor.
I like using a timing light as a way to verify spark/no spark. It's
faster than screwing around with a spare plug and trying to get the
plug situated close to a ground, etc. and then looking for a tiny
spark while cranking the engine. However I do have questions as to
whether this is necessarily a valid test.
>Also check that the pickup hasn't been dislocated relative to the slotted
>wheel. This was one of my Crane problems.
I have double-checked and adjusted the pick-up twice, just for good
measure. I'm certain that it's in the right spot now.
Thanks much for the input.
--
Pete Chadwell
1973 TR6
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