[Healeys] Electrical Question

[Oudesluys]

Paul,
The battery should always be connected when running the engine. If not, 
you may damage the regulator/generator/alternator.
In your case it could be a short in the old battery or dirty terminals, 
broken earth strap, that sort of thing, check first. If that is OK check 
regulator/generator/alternator.
If the battery is kept on a trickle charger it should last about 7-10 
years. If not it can be gone within a year or two if the car is not 
driven regularly.
Kees Oudesluijs
NL

PG wrote:
> The car starts on jumpers from another vehicle..but, as soon as the jumpers
> are taken away, the car dies...  
>
>  
>
> Even if the battery is bad, should the car not run on the generator?  Unless
> of course, it is bad.   It reads about 12 volts but vascilates sometimes
> down to 4 or 5 volts then back up again...rapidly.   The Battery is old and
> is likely finished.  However, should the car not run regardless?  
>
>  
>
> Paul
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