ROVER CDU4175, NJC10001. LAND ROVER ERR5210, STC1184. Type Switch Unit, ignition system. FORD ESCORT Mk IV (GAF, AWF, ABFT) 1.4 Hatchback Petrol 01/1986 07/1990 FWD 8 73 54. FORD ESCORT Mk IV (GAF, AWF, ABFT) 1.4 Hatchback Petrol 01/1986 09/1989 FWD 8 75 55.