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Date:         Fri, 2 Oct 2009 08:00:50 -0700
Reply-To:     Don Hanson <dhanson928@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Don Hanson <dhanson928@GMAIL.COM>
Subject:      Re: Found my instrument cluster..now a ?
Comments: To: T Collins <tonycollin@gmail.com>
In-Reply-To:  <aeea9b480910020520m61d573fakb14f11bf5368209d@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Thank you, I think I recall the coil as the source for a good tach signal. Since no other replies, I'll try the archive-search, which in the past I've never been able to get an answer from...surely my mistake or ignorance about how to format the search, but... Don Hanson

On Fri, Oct 2, 2009 at 5:20 AM, T Collins <tonycollin@gmail.com> wrote:

> someone correct me if I am wrong, but I believe that the signal you are > looking for comes from one of the leads in the coil. That would make sense > as this is consistent with the turning of the distributor. > > Also, something that I am not sure about but would suggest: When making > your test wires for the tach, place a fuse in line or you could fry your > cluster foil and the like. > > I hope this helps in some matter even if it is for someone sto say that I > am far of the mark. I know that in my Scirocco the tach signal comes from > the coil and it used CIS for fueling. > > Later, > el t. > > On Fri, Oct 2, 2009 at 12:47 AM, Don Hanson <dhanson928@gmail.com>wrote: > >> Last week I was looking for a working odometer. Found one on the Samba >> and >> got the whole cluster. I also have a working tach from a diesel van that >> I'd like to get into the new cluster rather than the analog clock...My >> current one with the broken odo also has a clunky clock... >> I think I can figure out how to make the water temp and the fuel guage >> work, the one in the tach face..Hopefully. I have somewhere a reference >> about which pins in the plug work for those...but looking at the foils I >> have around, I see I can actually follow the leads back to the plug and >> get >> stuff working that way. >> But, where is a good place to take a signal for the tach? Is there a >> rpm-based signal anywhere up front or do I need to go back to the coil or >> the alternator or the distributor and run a wire all the way up to the >> tach >> from the engine? Mine is an inline four, but the alternator, coil and the >> distributor are the same as a WBX. It has a Digifant II injection system. >> Anybody know? I'd first like to test the tach using a test wire lead >> first, to make sure I get good response before I bother trying to make the >> other two "in Tach" gauges operable.. The only downside is the tach I have >> only goes to 6k and my motor may rev a bit higher sometimes. sounds like >> it >> maybe..I see no upper limit pin on the tach face, so I am hoping I can go >> a >> little past 6k without breaking the tach...Not that I drive there ever, >> but >> I have been known to wind the little inline up to keep up with traffic at >> times. >> Don Hanson >> > > > > -- > 82 Scirocco "Rodolfo" > 85 Vanagon "El Guapo" > 90 Fuji Ace >


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