This is backwards and incorrect.
A car will run with a generator and a bad / no battery. The old shade
tree method to test a generator was to disconnect the battery out of
the system to see if the car still ran, if it did the generator was
good. (DO NOT DO THIS WITH AN ALTERNATOR EQUIPPED CAR!) I once had a
battery stolen out of a generator equipped car, so I jumped the car
and drove it to Sears for a new battery. The look on the Sears guy's
face was priceless.
Alternators on the other hand have to have power in the circuit to
excite them. That means there has to be voltage to excite them.
No battery = no excitation
Rick
Sent from my iPhone
On Apr 5, 2010, at 10:33, I Erbs <eyera3@gmail.com> wrote:
> A car will continue to run on an alternator with a bad battery, but
> not a
> generator. If you use a fully charged battery, with a bad charging
> system
> (generator/voltage regulator) it will run untill the battery
> depletes. If
> battery is dead and other components good, it will no trun, because
> battery
> will not holsd a charge
>
> On Sun, Apr 4, 2010 at 9:35 PM, PG <britishcars@shaw.ca> 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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>
>
>
> --
> I Erbs
> Portland, OR
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