Date: Fri, 27 Jul 2001 08:37:37 -0500
Reply-To: Dave Baker <DBAKER5@KC.RR.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dave Baker <DBAKER5@KC.RR.COM>
Subject: Re: Water level/temp warning flasher
Content-Type: text/plain; charset="iso-8859-1"
Damn! I said it before, and I'll say it again. I'm glad you're on our
side!
Dave in KC
85 Westy
http://members.fortunecity.com/davebaker1
----- Original Message -----
From: David Beierl <dbeierl@ATTGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, July 27, 2001 8:08 AM
Subject: Re: Water level/temp warning flasher
> There is a control module (labelled 43) up under the dash forward of the
> fuse panel. Hard to get to with the dash on but possibly could reach it
> through the panel opening.
>
> Do this, tuning ignition off between each step:
>
> 1) ground the temp sensor (the one with the single wire) briefly. Needle
> should head for the sky, if not you have more problems than a flashing
light.
>
> 2) Unplug the connector from the coolant-level probe. Needle will either
> head offscale or stay put. If it heads offscale then the flasher circuit
> in the gauge is bad.
>
> 3) If it stays put then it's still probably the gauge, but you need
another
> test. If you can remove the control module do that -- if the gauge still
> flashes continuously it's definitely the gauge. If not it's the module.
>
> 4) If you can't remove the module, open the panel connector shell and
> remove pin 14, with a double yellow/red wire on it. Plug it back in
> without that wire. If still flashing, it's the gauge, if not then the
> module. Put the wire back.
>
> If (since) it's the gauge, you have three choices: a) replace it, b)
remove
> the faceplate (rivets) and internal circuit board (solder) and replace the
> aluminum (probably) electrolytic capacitor sticking out of the side of the
> board. Use a 16v or 25v tantalum cap of the same value, and observe
> polarity. Almost certainly this will fix the circuit -- now you have to
> put it back together. Or c) put a piece of tape over the light. If your
> test #2 made the needle go offscale you will still have this indication of
> low coolant (or overtemp -- up to you to figure it out, just as it would
> have been with the light flashing). If test #2 did not make the needle
> climb then your only low-coolant warning is the light.
>
> david
>
>
> At 08:21 AM 7/27/2001, Tim Timothy wrote:
> >I just got an '84 vanagon which has a flashing Water reservoir
level/engine
> >temp warning light flashing continously.
> >With engine cold and reservoir full it continues to flash.
> >With temp switch wires and water level switch wires jumpered, it still
> >flashes.
> >Have not been able to find a relay or anything associated with these two
> >switches and warning lamp.
>
> David Beierl - Providence, RI
> http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage"
> '85 GL "Poor Relation"
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