Smart ForTwo 451 wiring harness groups layout with four numbered callouts identifying main, engine, transmission, and battery harnesses.

Transparent vehicle diagram showing four color-coded wiring harness routes throughout smart fortwo 451 chassis.

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See all Electrical figures for the Fortwo (451), 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.