[DML] Re: 100 Amp Delco alternator does not charge at start up.
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[DML] Re: 100 Amp Delco alternator does not charge at start up.



Here is a list of possible causes:
Bad alternator (burnt windings, blown diodes, bad regulator)
Loose, dirty, or burnt electical connections
Wrong bulb for the alternator light in dash
Bad battery
Loose or wrong belt.
First thing is to remove the battery, clean the connections, slow
charge the battery and test it. If good reinstall in car. Now test the
alternator. Places like Sears will do it for free. If good, clean all
the electrical connections you can find. Start with the big ones
between the battery, starter, alternator, and frame.
David Teitelbaum
vin 10757




--- In dmcnews@xxxxxxxxxxxxxxx, "dmc_5180" <dmc_5180@...> wrote:
>
> Hey guys,
> 
> A friend of mine has a problem with his alternator not charging when
he starts the engine. He 
> has to rev the engine too get the system to to show charge. Once he
does this, the system 
> will show normal charge 13.5- 14.0 volts at idle and will be fine
after that. It is if there is not 
> enough initial excitation voltage to get the alternator to turn on.
 Any thoughts? I seemed to 
> recall someone had posted a similar problem a while back with the
same delco unit. I but was 
> unable to find it in the archives.
> 
> Thanks
> 
> Dennis
>









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