[DeTomaso] Electrical problem from Japan

[MyCars]

Sounds like the starter can't crank the engine over when it's hot. Maybe 
a new high torque starter would help him out?

Roydon


On 7/26/2011 7:27 AM, MikeLDrew at aol.com wrote:
> Hi guys,
>
> I've been helping a Japanese Pantera owner named Hiro sort out various
> problems with his Pantera.   Today he wrote to me:
>
> =====
>
>
> Actually it seems a few problems at my Pantera.
> After 1 hour night driving with Japanese traffic jam about 20 minutes,
> I waited a friend with keeping idles for 2 or 3 minutes.
> When I moved to another place, suddenly engine stalled and no restarted.
> Lighting at head or meters did work but not ignited even turned key.
> Just heard click sound from a relay.
>
> Next day, it worked without any special repair.
> I measured volt at battery, 11.5V.
> > From alternator, 9.7V at idling and 14V at racing to 4000rpm.
> Amp meter shows 0 at idling and less than 75, about 50??
> (my amp meter is from Hall for 100 amp alternator)
>
>
> After short break, I turned key again but not ignited again...
> I hit softly the starter sometimes and tried.  It worked.  I am not sure if
> the hitting starter made him got up or not.
>
> Alternator : from PMI 1 year ago
> Battery : optima red 1 year ago
> Starter : seems normal
>
>
> Do you have any advice to check?
>
> Regards,
> Hiro
>
> ========
>
> It sounds to me like a simple case of a bad one-wire alternator that fails
> to provide enough energy at low rpm.   9.7 volts at idle just isn't right.
> So my advice was to replace it with a properly engineered 90-100 amp
> three-wire alternator (and while he's at it, he might as well put a new
> mini-starter in as well).
>
> Do any of you have any other ideas worth exploring?   (We already covered
> the need to check for good ground, good electrical connections etc.).
>
> Since Hiro isn't on the forum, please 'reply all' so that he will get to
> see what you have to say.
>
> THANKS!
>
> Mike
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