GT Driver Posted June 15, 2015 Posted June 15, 2015 Quick question, just for my own understanding: Under normal easy-going driving conditions the voltage gauge reads pretty much exactly on 14v. However, when the car is pushed on a 'spirited' drive (up and down the rev range a lot) this reading drops below 14 - to say 13.5.. (I know the gauge is not the most accurate) Why is this the case? When regular easy-going driving resumes the needle slowly makes it's way back towards 14. I did the alternator belt recently and I don't believe it is slipping. Thanks! Quote
glrnet Posted June 16, 2015 Posted June 16, 2015 The charging voltage is controlled by a voltage regulator and the charging voltage is dependent upon a number of factors including the battery's state of charge, the load on the vehicle's electrical system and temperature, your figures all sound quite normal tbh. Quote
Kaveney Posted June 16, 2015 Posted June 16, 2015 In the hot my one is at 13.5 ish and in cold 14.5 . Alan Quote
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