Re: BMW 2003 - Best way of checking current draw? # Archived Message
Posted by andyhyoung on February 24, 2009, 12:18 pm, in reply to "Re: BMW 2003 - Best way of checking current draw? #"
Call me old-fashioned if you like ,but I use a moving coil (with a needle,for you youngsters)Avometer connected in series with the battery earth lead .I find this gives a more accurate display of the current draw and the pattern of reduction.This meter has scales of 10amp,1 amp and 100mA.D'ont forget that many late cars can take up to 1hr or more to "go to sleep".Favourite draw on these is the heater fan speed module.hth
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