[DeTomaso] Pantera circuit to fuse missmatch?
Dave Londry
davel at emspace.com
Wed Jan 25 18:25:33 EST 2012
I guess the universals are pricey because that always include a panel too.
I see the 18 circuit Painless is $300 with the panel.
Well, just so long as you get rid of all the ratty stuff in the old one..
dave
--
On 25/01/2012 3:11 PM, Ken Green wrote:
> Dave,
> The after market harness do not specifically match our needs and
> are expensive ($400 to $500). Most of the wire in my 73 looks like
> new, and I think some creative circuit design can leverage what is
> there and make improvements. If we have a good re-design for a fuse
> panel and how to connect it to existing wiring, I think it's something
> to consider doing as part of a major restoration.
> For example, I plan to mount the fuse/relay panel in the front
> trunk, and will add a short (2 foot?) cable to the original fuse block
> location, to connect to the wire running to the back of the car. The
> wire to the nose will be shorter and I can just bring them into the
> front trunk. I'm going to a volt meter, so some of the big wires goes
> away. I also think I can live with a good 1 wire alternator and that
> gets rid of a lot of wire. I plan to re-connect wires a circuit at a
> time starting with the headlights and headlight motor, and work my way
> back. I think it will all work out, just be time consuming.
> I guess we wouldn't do this stuff if we didn't enjoy it, it's not a
> money maker, LOL.
> Ken
>
> *From:* Dave Londry <davel at emspace.com>
> *To:* Ken Green <kenn_green at yahoo.com>
> *Cc:* B Hower <b.hower3400 at yahoo.com>; "detomaso at realbig.com"
> <detomaso at realbig.com>
> *Sent:* Wednesday, January 25, 2012 2:06 PM
> *Subject:* Re: [DeTomaso] Pantera circuit to fuse missmatch?
>
> You're not tempted to put in a hot-rod harness?
> dave
>
> On 25/01/2012 12:36 PM, Ken Green wrote:
> > Bud,
> >
> > Thanks for your input, Bob Timma had similar observations and
> mentioned that he split up some of the circuits in the fuse panels he
> built. Does the Pantera Electronics fuse panel split up some of the
> circuits?
> >
> > The wire harness was laying on the floor of the 73 I'm putting
> back together when I bought it, and at least two of the wires going
> into the engine compartment were missing insulation where they entered
> connectors. If they shorted, it could be a problem. With 40 year old
> wiring that may have been played with more than once, it seems like a
> good idea to match the fuses to the circuits.
> >
> > Ken
> >
> >
> >
> > ________________________________
> > From: B Hower<b.hower3400 at yahoo.com <mailto:b.hower3400 at yahoo.com>>
> > To: kenn_green at yahoo.com <mailto:kenn_green at yahoo.com>;
> detomaso at realbig.com <mailto:detomaso at realbig.com>; MikeLDrew at aol.com
> <mailto:MikeLDrew at aol.com>
> > Sent: Wednesday, January 25, 2012 11:01 AM
> > Subject: Re: [DeTomaso] Pantera circuit to fuse missmatch?
> >
> > Guys,
> >
> > FWIW -- In the real world a fuse should be rated to protect the
> wire it feeds. A 14 awg copper wire should not be fused at 20 amps.
> And three 14 awg wires feeding three items through a single fuse
> doesn't allow you to increase amperage rating of the fuse. The rating
> of the fuse should match the smallest wire size it feeds. When the
> current rating of the wire is exceeded and the fuse doesn't blow is
> when fires are possible. Just my 2 cents.
> >
> > Bud #3400
> >
> >
> >
> >
> >
> > --- On Wed, 1/25/12, MikeLDrew at aol.com
> <mailto:MikeLDrew at aol.com><MikeLDrew at aol.com
> <mailto:MikeLDrew at aol.com>> wrote:
> >
> >> From: MikeLDrew at aol.com
> <mailto:MikeLDrew at aol.com><MikeLDrew at aol.com <mailto:MikeLDrew at aol.com>>
> >> Subject: Re: [DeTomaso] Pantera circuit to fuse missmatch?
> >> To: kenn_green at yahoo.com <mailto:kenn_green at yahoo.com>,
> detomaso at realbig.com <mailto:detomaso at realbig.com>
> >> Date: Wednesday, January 25, 2012, 4:50 PM
> >>
> >>
> >> In a message dated 1/24/12 22 14 9, kenn_green at yahoo.com
> <mailto:kenn_green at yahoo.com> writes:> Looking at Bill's circuit
> diagrams on Pantera Place, some of the fuses> appear to feed circuits
> with much lower current requirements. Specifically,> 25 amp fuse 12
> feeds the stop lamp switch and back-up lights. If there is> a short
> in either of these in the rear of the car, it seems like thing> could
> get pretty hot before the fuse goes? The headlight fuses are only 8
> amp.> >>>You're not paying attention to the top item that he lists.
> Fuse 12 ALSO feeds a radiator fan, which is why the amperage rating is
> so high.Plus it feeds a bunch of other, smaller things. Fuse 11 is
> only rated at 15A and it feeds the other fan, plus fewer, smaller
> things. Since 25A fuses basically don't exist anymore, most people
> run 30A in both of those, I think.I can see your point though--ideally
> I would imagine that you would want high-amperage things with a
> high-amp fuse, and
> > low-amperage things with low-amperage fuses. With the stock setup,
> a short in one of those low-amp systems could easily result in an
> electrical fire, while the fuse sits there doing nothing except
> continuing to feed the fire.Yet another good reason to rewire the fan
> circuits and give them their own dedicated fuses. I must admit that
> while I have done that, I haven't then readdressed the stock fuses 11
> and 12. Logically, since the heavy load has been removed from those
> circuits, I should be able to step them way down, to either 8 or 16
> amp fuses. Good point!MikeP.S. And then there are British cars to
> consider. Many British sports cars in the 1950s and 1960s used only
> one or two fuses to power the entire
> car!_______________________________________________Detomaso Forum
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