Hi JAY,

On 15-Oct-03, JAY EMRIE wrote to GREG MAYMAN:

 RJT>> I'm used to vehicles with ammeters...   Most of the old mopar
 RJT>> stuff I've been driving for years has had them in there.  Except
 RJT>> this last one,  which for some dumb reason has a voltmeter,
 RJT>> instead.  Why they started doing that is beyond me.

 JE> GM>The reason is simple. It's a lot easier and cheaper to add a
 JE> GM>voltmeter to the circuit than an ammeter.

 JE> Just a simple question. Why do the great majority all the
 JE> diagnostics specify voltage readings rather than current readings
 JE> in trouble shooting alternators in official manufacturer's vehicle
 JE> shop manuals? :-)

Because an alternatoronly works on voltages from a chaecking point of
view. If its a choice between a voltmeter to monitor the alternator,
an ammeter to monitor the battery or nothing my choice is an ammeter
or nothing. In my experience the battery fails far faster than the
alternator...

George

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