Auto check display

[Jeff Gerwitz]

I would like to get technical information on the auto check display system 
for my '92 100S. Does anyone know how the system works and how the radio 
displays information there? I replaced my factory Gamma radio with a new 
Blaupunkt with external display leads(data and clock). Can I wire these to 
the auto check system without causing problems? What about the enable lead 
from the Gamma radio? How does this all work? Will it ever work again with 
the aftermarket radio.

Any information and sources to documentation would be greatly appreciated.

Jeff

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