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> -----Original Message----- > the right equipment, they were not hard to fix. If you have ever had the > case off one of them, the circuit boards, are even marked off > into grids. If > I understood it right, each grid was a function in the unit. Therefore, if > you know what the problem is, you can go right to the area of the > board, and > fix it. Are the grids on the boards clearly marked and self-explanatory? Or do we need your friend's schematics to interpret them? I can see how solder connections and maybe localized corrosion of the PC boards in there can lead to "ECU failure". How about the solid-state components themselves? Does this sort of stuff tend to deteriorate on its own under normal operating conditions? Voltage spikes excluded, I guess. -Mark ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org