This is a A-HL400B Headlamp Assembly (12 Volt) PN: HL400BMain Description As Following : A-HL400B Headlamp Assembly (12 Volt) P.N: HL400B Dim A (1): 6" Dia.Dim B (2): Black Enamel Steel BodyDim C (3): 4 Wires: Black - Ground, Red - Bright, Yellow - Dim, White - ParkingDim D (4): Not Necessary To Use All Wires If Not Needed. For Basic Work Light Use Black & Red Wires Only. Crossed From: WN-HL400B , , WNHL400B , Found in Section & Models : Lights & Related Parts > Headlamps, Case-IH TRACTOR: SEVERAL, John Deere TRACTOR: SEVERAL Associated Items : A-47P1831 Also A-MNL18344 And : Dim A (1): 6" Dia. Dim B (2): Black Enamel Steel Body Dim C (3): 4 Wires: Black - Ground, Red - Bright, Yellow - Dim, White - Parking Dim D (4): Not Necessary To Use All Wires If Not Needed. For Basic Work Light Use Black & Red Wires Only.