T&T: Alternator Ground

[Jack Frost]

Hi all,

I am replacing alternators on my Cummins 6BT5.9M 210hp engines.  I am using
"stock" alternators, nothing fancy. Currently they have 3 wires hooked up to
them, hot lead from the starter, pulse wire for the tach, & a wire from the
key switch to energize.

It has been suggested to me that the alternators have an additional wire to
ground.  What says the group?  Where would I run this gound wire to?  There is
an "open" ground wire that is near the alternator, can I use this.

Thnaks in advance,
Andy Becker
HIGH LIFE II
31' Rampage Express
Lindenhurst, NY
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