Alfa Spider 

 
 

Power supply green connector: 
 
 

 

                              

 

 

        +  

- 

 

 

 

 

 

 

         |    | 

O O O O 

  

  

 

 

O O O O 

O O O  

 

O O O O 

 

    O O O 

 

 

 

 

 

 

 

 

 

 
 

 

 

•  Disconnect pin 22 at processor ZC422 187 CFN  
•  Lift pin 10 at IC HCT14A  

•  Press Spider/GTV plug on the processor. Pin 1 is marked red! 

•  The old value is not displayed (?????) 

•  When Tacho Universal says „reset“ press the red button for 1 second 

•  After programming connect pin 22+23 

•  Re.connect pin 10