All £420k of it. An alternator typically lasts around 7 years or between 100k and 150k miles. Without a correctly functioning alternator, your car is unlikely to hold enough charge in the battery to drive for any purposeful length of time. The best brands for the FORD Focus Mk2 Hatchback (DA_, HCP, DP) 1.8 2006 - 2012 125hp / 92kW in the category Alternator are: RIDEX. LUCAS ELECTRICAL. BOSCH. AS-PL. STARK. TOP products for your car : DENSO DAN1016 , AS-PL A6019 , HELLA 8EL 011 712-201 , AS-PL A6011 (DENSO) , EUROTEC 12090256 , ERA 210438A. If you do not have about 13.8 volts, carry out basic charging system checks and suspect the alternator, its not a smart charge fault ! Correct charge voltage from the alternator, then its time to start on the smart charge system, and you will need a scope. First the system. Pin 1 = Alternator Feedback. Pin 2 = Alternator Load Request alternator ford focus mk2 c max fiesta mk5 fusion kuga 1.6 2.0 tdci diesel 150a (fits: ford c-max 2009) (3) 3 product ratings - ALTERNATOR FORD FOCUS mk2 C MAX FIESTA mk5 FUSION KUGA 1.6 2.0 TDCI DIESEL 150a 1.8 (1753ccm) Diesel. Volt: for vehicles with 12V main current. 2007 - 2010. 2005 - 2012. Focus C-Max. Focus Estate/Wagon. 2005 - 2007. Pulley Type: without belt pulley. Use a multimeter to test if a car generator still works. Test the battery without running engine. Test the battery while running engine, it should be about 1 FOCUS RS BADGE IN FORD PERF £42.69 Exterior Trim. MUSTANG BLACK PONY GRILLE. £134.34 Exterior Trim. MONDEO TDCI FOCUS RS CLUTCH £171.03 Clutch Parts. Name: Rob. Ford Model: Focus Sport TDCI 1.6 Mk 2.5 2011. Ford Year: 2011. UK/Ireland Location: Lancashire. Posted November 26, 2017. My alternator also seems to be making a whining sound, started yesterday, its quite subtle and one of those noises that I can't decide if its always been there but I haven't noticed it. HcAqnX9.