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Date:         Wed, 28 May 2003 13:42:24 -0700
Reply-To:     Dave Vieira <dave172c@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dave Vieira <dave172c@YAHOO.COM>
Subject:      Re: need some ID on parts
Comments: To: David Beierl <dbeierl@ATTGLOBAL.NET>
In-Reply-To:  <5.1.0.14.2.20030528162738.03c5c888@pop1.attglobal.net>
Content-Type: text/plain; charset=us-ascii

ohh ass ! . i forgot about that .

1984, 1.9 vanagon

--- David Beierl <dbeierl@ATTGLOBAL.NET> wrote: > Dave, you need to always say what year you're > talking about -- some things > are the same all the way through, some things very > different. > At 02:42 PM 5/28/2003, Dave Vieira wrote: > >Hey, > > > >Does anyone know, in the engine compartment on the > .. > >left hand side wall its a green box, > > Ok, you have a 1.9 litre engine, and that's the Idle > Stabilizer circuit. > > >is that the > >engine transfer control unit? > > No -- but I don't actually understand what you mean > by "engine transfer > control unit" -- if you mean the ECU or Engine > Control Unit, it's a largish > box mounted just forward of your left-side > taillight. > > > and is there a way to > >test it ? .. > > Put a timing light on and watch the timing at idle. > If it's constantly > jumping around a few degrees that's the idle stab. > doing its job. Now shut > off, unplug the two wires from the idle stab and > plug them into each > other. Drive it -- if it drives better without than > with the circuit > likely has a problem. > > > >and beside it is a little black box bolted on a > plate, > >what would that be and is there a way to test it ? > > That's the ignition control unit. It takes timing > information from the > idle stab unit which gets it from the distributor, > and it generates the > powerful pulse to the ignition coil secondary that > results in a spark from > the primary. The metal plate is a heat sink to get > rid of excess > heat. I'm sure there's a way to test it but maybe > not a simple one. If > the engine is producing spark then it is probably > all right. > > david > > -- > David Beierl - Providence RI USA -- > http://pws.prserv.net/synergy/Vanagon/ > '84 Westy "Dutiful Passage" > '85 GL "Poor Relation"

===== Dave Vieira Hamilton, Ontario Canada

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