: Found under the hood, usually on the passenger side or near the steering column in some configurations. It contains fuses for engine management (fuses 40 and 41 for diesel) and transmission control (fuse 28).
Finding a reliable is the first—and most critical—step in any serious automotive electrical repair. Unlike generic aftermarket diagrams, the W639 requires a model-specific approach due to its use of CAN-bus networks, SAM (Signal Acquisition Module) control units, and model-year variations. vito w639 wiring diagram
If you use a non-OEM diagram, watch for: : Found under the hood, usually on the
★★★★☆ (4.5/5) Deducted 0.5 because even OEM diagrams can be hard to trace without experience – connector location tables are separate PDFs. : Found under the hood