[DML] a small tip to prevent malfunction in the door lock control unit
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[DML] a small tip to prevent malfunction in the door lock control unit



the relay contacts can stick together and burn the solenoid because 
of the sparks generated by the commutation

we can use two 100nF (ceramic or plastic) capacitors to prevent 
sparks

obviously one capacitor for each relay

the capacitor must be connected like a bridge on the two switching 
contacts

ceramic or plastic capacitors have no polarization

Also the modification suggested by Elvis Nocita is surely necessary 
and useful





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