[DeTomaso] Interesting ammeter situation.

Sun Feb 19 18:50:51 EST 2017

Well Mike, I think you have heard this before:

Were you, or were you not sitting in the Pantera when the problems
occurred?

On 2/19/17, 3:33 PM, "DeTomaso on behalf of Mike Drew via DeTomaso"
<detomaso-bounces at server.detomasolist.com on behalf of
detomaso at server.detomasolist.com> wrote:

>And then there are the jokers who say it happened just because I was
>sitting in the passenger seat! :)
>
>Mike
>
>Sent from my iPad
>
>> On Feb 16, 2017, at 07:34, Charles McCall <charlesmccall at gmail.com>
>>wrote:
>> 
>>   It's like Polio or Smallpox - people thought that it had been
>>   erradicated but is was really just dormant... when people relax and
>>   forget about the danger.... boom! It was never really gone
>>   completely...
>> 
>>   On Thu, Feb 16, 2017 at 4:15 PM, Paul Rimov <[1]rimovp at gmail.com>
>>   wrote:
>> 
>>     So is this to warn others the dreaded Drew Flu is still pandemic?
>>> On Feb 14, 2017, at 7:19 PM, Mike Drew via DeTomaso
>>     <[2]detomaso at server.detomasolist.com> wrote:
>>> 
>>> A  A Guys,
>>> 
>>> A  A Yesterday I accompanied the new owner of a '74 Pantera from
>>     Sacramento
>>> A  A to his home in San Diego.
>>> 
>>> A  A We almost made it.
>>> 
>>> A  A As we entered the worst of the LA megopolis, the charging
>>     system
>>> A  A suddenly didn't. The am we had been dancing around for hours
>>     and it
>>> A  A finally stabilized deep in the discharge zone. With headlights
>>     and fans
>>> A  A on, crawling in stop and go traffic, it wouldn't be too long
>>     before the
>>> A  A car quit completely so we dove off the freeway into a gas
>>     station and
>>> A  A then enjoyed a two-hour tow truck ride (gotta love AAA
>>     premium!)
>>> 
>>> A  A Today we started troubleshooting. The new owner is almost
>>     devoid of
>>> A  A tools, but we started by changing the regulator since its
>>     cheap. The
>>> A  A result was an ammeter that now danced violently either side of
>>     center.
>>> 
>>> A  A Next suspect was the alternator. Although it was new, it was a
>>     standard
>>> A  A Ford remain and thus probably only 50A. We took it to a nearby
>>> A  A alternator/starter shop where they rebuilt it and converted to
>>     90A in
>>> A  A just over an hour. They said it tested good beforehand, but
>>     since we
>>> A  A were there, why not improve it?
>>> 
>>> A  A With the rebuilt ammeter installed, the needle swing was even
>>     more
>>> A  A pronounced, wider at idle, and reducing at about 3000 rpm.
>>> 
>>> A  A Now armed with a recently purchased voltmeter, we tested
>>     voltage at the
>>> A  A battery and found it cranking out 14.3-14.6 volts depending on
>>     rpm and
>>> A  A electrical load (headlights etc)
>>> 
>>> A  A After a quick call to SOBill Taylor (bless him!!!!) we
>>     reinstalled the
>>> A  A old regulator to see what would happen.
>>> 
>>> A  A Ammeter jumping stopped, replaced with a constant discharge.
>>     Voltmeter
>>> A  A testing at the battery revealed 12.5 volts--the battery was
>>     powering
>>> A  A the car and the alternator was doing nothing.
>>> 
>>> A  A We reinstalled the new, electronic (as opposed to stock-style
>>> A  A mechanical) regulator, and once again had proper charging
>>     indications
>>> A  A at the battery, but the ammeter continued its wild ways.
>>> 
>>> A  A I shot a video and stupidly oriented my phone vertically. Only
>>     idiots
>>> A  A shoot videos like this, so my profound apologies:
>>> 
>>> A  A [1][3]http://youtu.be/lLKf2Z23P_Q
>>> 
>>> A  A So what do you think the next course of action should be? I
>>     have at
>>> A  A least one extra stock ammeter and several regulators, so I am
>>     thinking
>>> A  A of loaning them to him for troubleshooting purposes. Do any of
>>     you have
>>> A  A any suggestions?
>>> 
>>> A  A (No, don't suggest he just bypass the gauge or switch to a
>>     voltmeter--a
>>> A  A voltmeter would not have warned us of our charging system
>>     failure and
>>> A  A would have left us stranded on the freeway!)
>>> 
>>> A  A Thanks in advance for any constructive advice (other than to
>>     learn how
>>> A  A to hold a phone properly when shooting a video!)
>>> 
>>> A  A Mike
>>> 
>>> A  A Sent from my iPhone
>>> 
>>> References
>>> 
>>> A  A 1. [4]http://youtu.be/lLKf2Z23P_Q
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>> References
>> 
>>   1. mailto:rimovp at gmail.com
>>   2. mailto:detomaso at server.detomasolist.com
>>   3. http://youtu.be/lLKf2Z23P_Q
>>   4. http://youtu.be/lLKf2Z23P_Q
>>   5. mailto:DeTomaso at server.detomasolist.com
>>   6. http://server.detomasolist.com/mailman/listinfo/detomaso
>>   7. mailto:DeTomaso at server.detomasolist.com
>>   8. http://server.detomasolist.com/mailman/listinfo/detomaso
>> _______________________________________________
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