John Bange wrote: > On Tue, May 25, 2010 at 12:16 PM, Mike "Rocket J Squirrel" < > camping.elliott@gmail.com> wrote: > >> So it seems like the place to start is to lay out a list for the >> different years of the Vanagon, identify what are the lamps, etc., >> that need monitoring, and determine how to gain access to their >> signals. >> > > I just perused the Bentley circuit diagram, and it'd be trivial to > monitor oil, alternator, coolant level, headlights, and tachometer > from the wires leading TO the cluster and splice into them BEFORE the > blue foil, rather than dealing with the LEDs and such. Hook up seven > wires, and I could have a box that screams whenever any of that stuff > goes south. Hmmmm..... So . . . do we know what voltages are present on those wires under normal operating conditions? Fault conditions? Like: INDICATOR NORMAL FAULT REFERENCED TO Oil Lamp 12V 0V GROUND Alternator ...etc. I made that example up. -- Mike "Rocket J Squirrel" Elliott 84 Westfalia: Mellow Yellow ("The Electrical Banana") 74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.) Bend, OR KG6RCR |
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