(sorry if off-topic) But re: the Carello relays used for power switching by the fuse block, here appear to be almost exact replacements---except for the Carello name... Fiat part number
4263598 -
https://www.ebay.com/itm/RELE-...p2060353.m1438.l2649
I bought "Itab" made relays, which (like the Carello) are also marked "Torino" and I'd bet were a common manufacturer as the Carello. I did buy a NOS Carello 22.900.000 many months ago, it was very expensive but I was drunk with the find...
The Sipea part numbers for this relay (with metal instead of plastic body) seem to be 5170 and 7810.
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