In general, the Ignition Module (ICU) on 80-85 models (the one on the left engine wall) is a sealed unit, so repair of these is extremely difficult, if at all. The module on the 86-91 models is integrated inside the ECU, so there is a remote chance that can be serviced. The Hall Unit in the distributor (80-85 and 86-91, which both are different) is another minefield when it comes to a field repair. I carry a spare of each with me on both my 84s since losing a hall unit function near Klamath Falls, OR in 1998. If I owned an 86-91, I would always carry a spare ECU. But that's just me, based on on a 50+ year habit of carrying critical spares (Cables, etc.,) for my VWs. You'd be surprised at what I carry for replacement spares in Rear Seatbox of my Westy. -- Jim Thompson 84 GL 1.9 "Gloria" 84 Westfalia 2.1 "Ole Putt" 72 411 Station Wagon "Pug" 75 914 1.8 "Nancy" Full Timing From March 1999 To January 2012 oldvolkshome@gmail.com http://www.oldvolkshome.com Find me on Facebook: http://www.facebook.com/people/Jim-Thompson/100000710343835 ***********************************
On Sun, Jun 17, 2012 at 11:37 AM, tinker man <tinkerman007@gmail.com> wrote: > Just wondering - what electronics do the hall sender and the ignition > control unit contain? > I want this info to be better able to diagnose these if necessary > before I go shopping in case van starting problems, these parts ain't > cheap! > Has anyone dismantled them and has posted pictures somewhere or can email them? > Tnx. |
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