Duster fusible link wiring problem

The diagram above is probably wrong. Looking at the factory diagram, and the photo above as well as this one, there should be four fusible links. Additionally, on your car, there probably never was a fusible link at the starter relay. Instead of going through the ammeter, the battery connects to the alternator output on the engine side of the firewall. If so, this means you car's ammeter is externally shunted. Earlier cars use internaly shunted ammeters. (Illustration on this page)