Quote:
Originally Posted by Moomoo
To discharge a battery that quickly would create a hell of a lot of heat!!!
Battery voltage is not really a good check on its condition.
Try to borrow a good known battery.
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Well, this is the double mysterious thing - the car behaves as though it is dead (lights on dash dim, not enough grunt to even click the starter motor etc) but as soon as you show it a jump start, it is absolutely fine again.
For your advice, I say thanks and will change the battery out to see what it does and report back. It is most annoying as the problem only surfaces occasionally and seems to have no particular reason for showing up.
Cheers,
F
PS it doesn't mind being left for a few days, starts first crank etc. but has shown this fault once whilst driving and once whilst stationary with the ignition and radio on for less than 5 mins.