Interior and front wiring harness routing diagram showing brown line ground connection and harness path through firewall 450/451/452/454.

Wiring harness routing diagram with callouts showing firewall connections and harness paths.

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See all Electrical figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.