Front interior lamp, SAM control unit, lamp units, wiring harness, and connector locations on Smart 451 chassis.

Isometric diagram of Smart car showing interior lamp, SAM control unit, and wiring harness positions with numbered callouts.

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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.