Can anyone help identify the A,B, C components here?
A has "Eaton 12v DC" and "Fiat AC11" written on it;

Thanks!
Thank you!vandor wrote:'A' is the seatbelt interlock relay used around 1974 for less than a model year. The others are its connectors, I assume.
It would prevent the car from being started if the seatbelts are not fastened. I am sure none of them are connected any more.