[DeTomaso] Factory Shunt? was Re:   Ammeter, was Re:   Key difficult to turn

Will Kooiman will.kooiman at gmail.com
Tue Oct 16 09:26:53 EDT 2012


I highly recommend too.  Very nice part.


On 10/16/12 8:24 AM, "Brian" <bd8134 at gmail.com> wrote:

>
>My 1978 Pantera did not have an external shunt either.
>I have posted my ammeter's demise and dissection here,
>http://www.poca.com/index.php/gallery/?g2_itemId=38317
>
>I replaced it with a new ammeter from Hall Pantera. It is plastic with a
>plastic mounting bracket, very nice.
>
>One way to limit the amperage going through the ignition switch is using
>Pantera Electronics ignition switch controller.
>I used an older model than is not on Jon's website, mine does not have
>the push button start function.
>Highly recommend.
>
>
>On Oct 16, 2012, at 9:01 AM, cengles at cox.net wrote:
>
>> Dear Thomas,
>> 
>> 
>> 
>>                  I don't recall a factory external shunt on the
>>ammeters on my two July 1974 Panteras, either.
>> 
>> 
>>                                  Warmest regards, Chuck Engles
>> 
>> 
>> On Tue, Oct 16, 2012 at 12:59 AM, Thomas Tornblom wrote:
>> 
>>> No external shunt on my stock Veglia ammeter, 1984 GT5.
>>> 
>>> Thomas
>>> 
>>> 2012-10-16 04:40, MikeLDrew at aol.com skrev:
>>>> 
>>>> In a message dated 10/15/12 17 43 23, guido_detomaso at prodigy.net
>>>>writes:
>>>> 
>>>> 
>>>>> There was a factory shunt?  Guess I missed a few episodes here...my
>>>>>car
>>>>> is a '73
>>>>> though.
>>>>> 
>>>>>>> Check out this photo:
>>>> 
>>>> http://www.poca.com/index.php/gallery/?g2_itemId=38308
>>>> 
>>>> The interesting part (the shunt) is unfortunately a bit out of focus.
>>>> This is a NOS ammeter that I lifted out of a Ford box.   It's my
>>>>understanding
>>>> that this external shunt was standard.   I think the ammeter in my
>>>>'72 also
>>>> has this shunt installed.   Note that it's electrically hot all the
>>>>time and
>>>> completely lacking any insulation.   DOH!
>>>>> 
>>>>>> The shunt I took off I made long ago, before the internet.  The
>>>>>>needle
>>>>> stopped
>>>>> moving over time, something I wanted to address.  But a shunted
>>>>>gauge with
>>>>> a
>>>>> non-moving needle beats walking home.
>>>>> 
>>>>>>> Indeed.
>>>>> 
>>>>>> And so am starting to question the wisdom of this whole project.
>>>>> 
>>>>>>> As am I.   I suspect your original shunt was too shunty; that is,
>>>>>>>too
>>>> much power was going past the gauge instead of through it.   You can
>>>>see the
>>>> original one is just a thin piece of brass.
>>>> 
>>>> 
>>>>>> Has anyone
>>>>> used the existing red wire off the ignition switch, that powers
>>>>> everything(?)
>>>>> that goes on and off with the key, to only trip a relay, switching
>>>>>power
>>>>> from a
>>>>> new third wire off the ammeter?
>>>>> 
>>>>>>>> I *think* that this is the scheme that Rick Moseley's relay kit
>>>>>>>>uses,
>>>> although he ties into the fusebox, not the ignition switch.   But I
>>>>think what
>>>> he does is have you unplug the red wire (that goes from the ignition
>>>>switch
>>>> to the fusebox) and plug it into one of his wires, which then goes to
>>>>a
>>>> relay, and the output from the relay then goes to the fusebox where
>>>>the
>>>> original red wire hooked up.   I *think*.
>>>> 
>>>>>> Taking just the fan current out of the ignition switch doesn't take
>>>>>>all
>>>>> the
>>>>> current away, as I'm finding out.
>>>>> 
>>>>>>> True dat.   But it certainly removes the largest consumers...
>>>> 
>>>> Mike
>>>> _______________________________________________
>>>> 
>>>> Detomaso Forum Managed by POCA
>>>> 
>>>> Archive Search Engine Now Available at
>>>>http://www.realbig.com/detomaso/
>>>> 
>>>> DeTomaso mailing list
>>>> DeTomaso at realbig.com
>>>> http://realbig.com/cgi-bin/mailman/listinfo/detomaso
>>>> 
>>>> 
>>>> !DSPAM:507cc94f192422199229964!
>>>> 
>>> 
>>> 
>>> -- 
>>> Real life:   Thomas Törnblom             Email:	   thomas at hax.se
>>> Snail mail:  Banvallsvägen 14            Phone:    +46 18 32 31 18
>>>             S - 754 40 Uppsala, Sweden  Mobile:   +46 76 209 8320
>>> 
>>> _______________________________________________
>>> 
>>> Detomaso Forum Managed by POCA
>>> 
>>> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>>> 
>>> DeTomaso mailing list
>>> DeTomaso at realbig.com
>>> http://realbig.com/cgi-bin/mailman/listinfo/detomaso
>> _______________________________________________
>> 
>> Detomaso Forum Managed by POCA
>> 
>> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>> 
>> DeTomaso mailing list
>> DeTomaso at realbig.com
>> http://realbig.com/cgi-bin/mailman/listinfo/detomaso
>
>_______________________________________________
>
>Detomaso Forum Managed by POCA
>
>Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>
>DeTomaso mailing list
>DeTomaso at realbig.com
>http://realbig.com/cgi-bin/mailman/listinfo/detomaso





More information about the DeTomaso mailing list