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Date:         Sat, 18 Sep 1999 10:03:24 -0400
Reply-To:     "Paul A. Cianciolo" <paulc@SNET.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Paul A. Cianciolo" <paulc@SNET.NET>
Subject:      "W" pin on alternator?  What for?
Comments: To: diesel@vwfans.com, Audi-VW-Diesels@onelist.com
Content-Type: text/plain; charset="iso-8859-1"


Hello Folks,
Finishing up the 1.9TD in my Vanagon..  Actually got to drive a mile or so
today.  Man !! you can really fell when the turbo kicks in


Lots more work to do yet.  I am not charging properly at this time.  There
is a "W" pin at the back of the Motorola 50 amp alternator.
With the Alt. connected tot eh battery properly, the alt will not charge the
battery.  How ever if I apply battery voltage to the "W" pin for 1 second
or so the alt. will charge ok.


I ihave heard that this pin is used for a tachometer input in the Diesel
cars. Is this so or does it need to get a quick pulse of battery voltage to
turn on the regulator circuit in the alt.


Bentley is of no help... I also checked some of my earlier Rabbit books


Thank you




Paulc
W1VLF
Cloudbounce Webpage  http://www.qsl.net/w1vlf/


1986 Vanagon Gas
1982 Vanagon Diesel  Soon to be Turbo Diesel 1.9
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