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electric tach question

To: "'TR6 List'" <triumphs@autox.team.net>
Subject: electric tach question
From: Peter Zaborski <peterz@merak.com>
Date: Tue, 5 Oct 1999 13:25:09 -0600 charset="iso-8859-1"
I have a question for those on the list who have some automotive electrical
knowledge...

I have a multi-function digital multimeter which has a frequency function.
It measures the frequency as cycles per second (Hz) based on (I think) the
pulses it gets from whatever source it is hooked up to.

I hooked it up to my TR6 coil's negative post while the engine was running
to try to verify my mechanical tach (car has the stock engine, stock Lucas
distributor and aftermarket Ingnitor electronic ignition module -- I think
this is a single spark ignition module). I did get some readings which
appear useful. However not wanting to jump to any conclusions, I wonder if
anyone who knows about such things cares to describe what readings I should
have gotten in cycles per second connected to the coil's negative post.

Looking forward to any replies.

--- Peter Zaborski  CF58310UO ---

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