In a message dated 6/14/2010 9:15:13 AM Central Daylight Time,
KingsCreekTrees@aol.com writes:
> Both batteries show 12V, which suggests to me that the TR's battery is
> not faulty. This leads me to start thinking that wherever the bad connection
> is, corrected itself a couple of times, coincidentally when I fitted the
> Volvo battery.
>
>
Bad assumption. The battery is actually a collection of six cells. It
sounds like one cell or the interconnection has gone bad. This is not all that
uncommon. A friend of mine in the car business once told me that more
batteries fail in hot weather than in cold - and they fail more suddenly.
So let me recap: with the Volvo battery the car cranks fine but with the
Triumph battery it doesn't? Sounds like a bad battery to me. Take it
somewhere and have ti tested under load and I'll bet it fails.
An open circuit test doesn't tell all the story.
Cheers
Dave
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