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Ford Focus

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jamie_patric | 20:42 Tue 03rd Mar 2009 | Motoring
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Hi, had a new battery recently and alternator tested but all came back fine. Problem I was having was driving along, If I knock it into neutral the red battery light keeps flashing on and off. Its never stalled but only recently started doing it. any ideas?
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The alternator light works on a slight voltage difference between the battery voltage and the alternator voltage. This can be upset by a bad earth connection on the battey or the alternator, check these and also the alternator belt.
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Also when stuck at traffic lights it revs itself around 1000rpm?

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