Ford part FINIS 1643647 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) J6.10 - Audio Equipment - Original Fit 21 Wire assy - speakerECU-2/ECU-2D 1 1/86 - 12/86 1643647 86BB 18K822 CB