If you have an o-scope then it's pretty easy. Should just be a square wave
coming from the pickupwhile the engine is running. Pretty sure the QMs
used a flywheel pickup the same as the HMs and GMs. Otherwise it is
possible to use a volt meter on AC to detect the voltage, again with the
engin
David,
Does it have the flywheel pickup? Not sure of the easy test, but corrosion
at the pickup is a likely cause.
Joel
On Mon, Jul 6, 2015 at 2:16 PM, David via CnC-List
wrote:
> ...after working intermittently on a 3QM30. I remember hearing here an
> easy (ish) way to check whether it is
...after working intermittently on a 3QM30. I remember hearing here an easy
(ish) way to check whether it is connection to engine or tach itself.
Thanks in advance!!
David F. Risch
(401) 419-4650 (cell)
___
