Might be a bad bearing in the alternator?
Feel for play in the rear bearing?
       gary
Date:    Wed, 26 May 2004 16:57:56 -0700
From:    Martin Wilson <martin_wilson@TELUS.NET>
Subject: Charge light and O2 sensor light malfunction
87 Westy

Both lights remain on even though I'm charging well
and the O2 reset =
switch has been checked.  New alternator just fitted,
charges at 13.8V.
=
Thanks to Lawrence for leading me to the D+ wire on
the aux. battery =
relay under the seat, when I disconnect this wire both
lights go off.
=
I've checked the following:  The relay (including it's
inbuilt diode),
=
both the diodes on the instrument panel, no problems
found.  =
Incidentally, if I disconnect the O2 sensor plug
underneath the van it
=
obviously deletes the O2 sensor light but does not
affect the Alt. =
warning light.

It seems to me as though when the aux. battery relay
engages it's =
somehow "taking away" the D+  from the light and
allowing it a path to
=
Bat-??

Any ideas??

Martin Wilson

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