[DeTomaso] Relays, Fans, Ammeter, second thoughts and project expansion

Thomas Tornblom thomas at hax.se
Wed Oct 17 07:48:59 EDT 2012


Install a diode in series with the idot lamp wire at the alternator, 
ring facing the alternator. :)

Thomas


2012-10-17 07:18, CharlesMcCall skrev:
> Brake lights used to work until I changed to LEDs. Now it doesn't.
>
> The situation probably always existed on my car, but I didn't notice it
> until changing brake light bulbs, as I always shut the car off with my foot
> on the brake
>
> Charles McCall
> Raising Pantera Awareness Across Europe
> 1985 DeTomaso Pantera #9375
> http://www.poca.com/index.php/gallery/?g2_itemId=2323
>
> -----Original Message-----
> From: thomas [mailto:thomas at hax.se]
> Sent: miércoles, 17 de octubre de 2012 0:01
> To: Charles McCall
> Cc: Mikael; Tomas Gunnarsson; DeTomaso at realbig.com
> Subject: Re: [DeTomaso] Relays, Fans, Ammeter, second thoughts and project
> expansion
>
> Pushing the brake pedal will probably have the same effect.
>
> With MSD and similar ignitions, it may be the current flowing backwards
> through the alternator idiot lamp that keeps it running.
>
> I had a similar ignition on an old Volvo in the 70:s, and it used so little
> power that the current through the idiot lamp kept it going.
>
> Inserting a diode in the lamp circuit will fix that problem.
>
> Thomas
>
> 16 okt 2012 kl. 22:59 skrev Charles McCall<charlesmccall at gmail.com>:
>
>> Your engine will stop just fine if you touch the power window button.
>>
>> That's what I have to do to turn off my motor... It does that even
>> without the fans on, I think, so I don't think that is the cause. I
>> have a solution so I don't lose sleep.
>>
>> On 10/16/12, Mikael<mikael_hass at mail.tele.dk>  wrote:
>>> I guess it does, after looking at the wiring diagramme. But with a
> shunted
>>> amp gauge, no big problem. Not as big as an engine that won't stop.
>>>
>>> Mikael
>>>
>>>
>>>
>>> Fra: Tomas Gunnarsson [mailto:guson at home.se]
>>> Sendt: 16. oktober 2012 21:29
>>> Til: mikael_hass at mail.tele.dk
>>> Cc: DeTomaso at realbig.com
>>> Emne: Re: [DeTomaso] Relays, Fans, Ammeter,second thoughts and project
>>> expansion
>>>
>>>
>>>
>>> Actually, connecting it that way ensures that all the energy consumed by
>>> the
>>> fans has to pass the ammeter.
>>>
>>>
>>>
>>> Tomas
>>>
>>> <-----Ursprungligt Meddelande----->
>>> From: Mikael [mikael_hass at mail.tele.dk]
>>>
>>> Sent: 16/10/2012 7:16:41 PM
>>>
>>> To: 'Dave'; MikeLDrew at aol.com; guido_detomaso at prodigy.net;
>>> DeTomaso at realbig.com
>>>
>>> Subject: Re: [DeTomaso] Relays, Fans, Ammeter,second thoughts and project
>>> expansion
>>>
>>>
>>> Pantera Electronics make great things, I have their white and yellow in
> one
>>> parking/signal lamp. But there is another way to get the fans away from
> the
>>> fuse block. I've taken power straight from the battery to the relay. That
>>> has four advantages, one disadvantage:
>>> Advantages:
>>> -Simple, as in you won't get stranded anywhere because of this
>>> -Cheap, no purchase necessary
>>> -Stopped my car from running on when key is turned off. I'm not educated
>>> enough to fully understand why, but I was told so, and it works
>>> -No extra juice/heat past the amp gauge
>>> Disadvantage:
>>> When the fans turn on, your amp gauge goes to the right instead of the
> left
>>> (This can be an advantage also, because it's a sure way to see when the
>>> thermostat turns on a fan, I discovered it is turned on way too often on
> my
>>> car, will get a hotter thermostat for the fan)
>>>
>>> Mikael
>>>
>>> -----Oprindelig meddelelse-----
>>> Fra: Dave [mailto:dave at damardirect.com]
>>> Sendt: 15. oktober 2012 19:38
>>> Til: MikeLDrew at aol.com; guido_detomaso at prodigy.net; DeTomaso at realbig.com
>>> Emne: Re: [DeTomaso] Relays, Fans, Ammeter, second thoughts and project
>>> expansion
>>>
>>> Pantera Electronics has an amazing fan controller, power is removed from
>>> the
>>> fuse block.
>>> Also, look at the replacement (plug n play) fuse block.
>>> http://www.pantera-electronics.com/
>>>
>>> IndyDave
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: MikeLDrew at aol.com [mailto:MikeLDrew at aol.com]
>>> Sent: Sunday, October 14, 2012 10:59 PM
>>> To: guido_detomaso at prodigy.net; DeTomaso at realbig.com
>>> Subject: Re: [DeTomaso] Relays, Fans, Ammeter, second thoughts and
> project
>>> expansion
>>>
>>>
>>> In a message dated 10/14/12 15 08 25, guido_detomaso at prodigy.net writes:
>>>
>>>
>>>>
>>>> Starting to question the wisdom of adding another wire to the ammeter
>>>> to feed the fans, now that it's installed of course.  Why not tap off
>>>> the pink wires at the fuse box, which are on the same circuit and
>>>> likely a shorter path to the alternator?  I think that was the
>>>> approach in "Volts of Confidence" too.
>>>>
>>>
>>>>>> The VofC mod involves adding a second fusebox to drastically shorten
>>>>>> and
>>> improve the current path for the fans. The aux fuseblock is powered by a
>>> large-gauge wire hooked to the back of the ammeter; power wires then go
>>> from
>>> that fusebox directly to the fan relays, which are still switched
> normally.
>>>
>>> (The fans are grounded locally with diodes as well). The problem with
>>> that scheme is that the fans are powered all the time, and will run on
>>> after
>>>
>>> the ignition is switched off. Rick Moseley deals with that by adding more
>>> relays, so the power from the aux fusebox to the fan relays passes
> through
>>> ignition-switched relays.
>>>
>>> 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
>>>
>>> Ingen virus fundet i denne meddelelse.
>>> Kontrolleret af AVG - www.avg.com
>>> Version: 2012.0.2221 / Virusdatabase: 2441/5335 - Udgivelsesdato:
>>> 16-10-2012
>>>
>>> _______________________________________________
>>>
>>> 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
>>
>>
>>
>
>
>
> !DSPAM:507e3fa2959021468!
>


-- 
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




More information about the DeTomaso mailing list