Actually there are two little pins in the flywheel. The three wire connector is connected to a hall sensor that is powered through the three wire connector, it blinks a light at TDC. I don't know of any body that ever rigged a devise to use the thing. Most people find TDC once and mark it on the fan/shroud and the TDC sensor isn't required. It is nice to have the hole plugged. Stan Wilder 83 Air Cooled Westfalia On Wed, 29 Aug 2001 22:39:54 -0300 Jean-Guy Savoie <jgsavoie@NBNET.NB.CA> writes: > Hi, > > My understanding, correct me if I'm wrong, is that there is a small > magnet > on the flywheel so that the 3 pronged connector would only blip once > per > revolution. Apparently you can feel this magnet on the flywheel > through the > little hole on the housing. When it is perfectly lined up > vertically, you > are at TDC for #1 cylinder. > > JGS > > 84 1.9L Westfalia > Bleu Schtroumpf > > > > ----- Original Message ----- > From: Bradley Flubacher <flubach@HOME.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Wednesday, August 29, 2001 10:05 PM > Subject: Re: 3 prong connector on alternator > > > > I have a strong suspicion that you could simply hook up +12v on > one lead, > > ground on another, and a freq meter on the other and acheive the > same > > thing... if not 12v, something... undoubtedly just an optical > something > or > > other that blips for each flywheel tooth that passes by it... Some > day > when > > I have too much spare time I'll probably wind up rigging something > there... > > Anyone know how many teeth are on the flywheel? > > > > > > > > Bradley Flubacher > > State College, PA > > '82 VW diesel westy > > '84 GL wasserboxer > > > > -----Original Message----- > > From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On > Behalf > > Of All of Us > > Sent: Wednesday, August 29, 2001 6:10 PM > > To: vanagon@GERRY.VANAGON.COM > > Subject: Re: 3 prong connector on alternator > > > > > > Volks: > > > > That connector is one of the points where your friendly VW > technician will > > plug one of the leads on their very expensive ($2,800.00 last time > I > > checked) special tool for checking the timing on your Digifant > Vanagon. > That > > is if the dealer even has special tool number 1367. > > > > If you have a Bentley laying around (and you should, by the way) > you can > > look in section 28.42 to see what gets hooked where and how it all > works. > > Good luck and let us know if you find any other mysteries. > > > > Dan Weber > > Miss Blue - "87 GL Weekender > > > > ----- Original Message ----- > > From: Fitz-Randolph, Douglas <Doug@BEACONMARKETING.NET> > > To: <vanagon@GERRY.VANAGON.COM> > > Sent: Wednesday, August 29, 2001 3:49 PM > > Subject: Re: 3 prong connector on alternator > > > > > > > Yeah... I've got that too - 90 2.1 - kinda > > > mysterious to me as well. > > > > > > > Doug Fitz-Randolph > > > > Freeport, ME > > > > '90 Syncro > > > > > ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/tagj. |
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