FIAT - Car Manual PDF & Wiring Diagram FIAT Car Manuals PDF & Wiring Diagrams above the page. The first car under the brand FIAT was released sometime in 1901. Designed by a talented engineer Faccioli, a car like the coach, was equipped with a 2-cylinder Boxer engine obsolete capacity of 3 hp The development team has asked Faciolli create the front of the car engine. Technical: Doblo 263 headlight wiring diagram - The FIAT Forum Hi, Does anyone have the wiring diagram for the headlight loom? Or could point out the wire for the main beam? When I disconnect the connector and measure voltage in order to identify the correct wire for the main beam it doesn't make sense. Fuse box Fiat Grande Punto 2005-2016 - fusesdiagram Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box Fiat Grande Punto 2005-2016.