Re: [DMCForum] DUMB QUESTION OF THE DAY

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Probably melted because it was positioned badly at some point, then 
taped up and moved elsewhere. There are several different setups for the 
battery/alternator wiring and the obvious one I use is one wire from alt 
to starter (and therefore battery), then another from there up to the 
post under the coil cover. Why use three smaller wires instead of one 
big one? Flexibility. But you can get pretty hefty wires made up of very 
fine strand copper these days. My local place has a selection of lengths 
in both read and black. Never had a problem. Most recently did exactly 
that on an Alpine GTA where the alternator wire was infuriatingly 
difficult to undo becasue it was part of the main loom, you couldn't 
undo the -other- end of it and pull iit through without cutting back all 
the insulation on the loom.

DeLoreasn are much simpler :-)

Martin

mike clemens wrote:

> This seems like a really dumb question, but my
> research has not yielded any definitive answer, as to
> why it was designed this way.
>
> I'm working on Josh's car and decided to pull the
> electrical wire between the alternator and the binding
> post underneath the engine bay electrical cover.
> Why?? Because it appeared the electrical tape
> wrapping this "wire" was melted badly in several
> places.
>
> This 'brown wire', according to the diagram, is
> actually three, 10 gauge wires, all connected together
> at both ends. On Josh's car, two of the wires were
> melted pretty bad and covered over by the PO (a really
> ignorant PO) by layering on electrical tape. Why they
> got so hot is not the nagging question, I think I know
> the answer to that one, the wires rubbed thru the
> insulation and touched the frame, causing lots of arcs
> and sparks.
>
> The question I have is: To replace the wire is a
> given, but should I replace it with three 10 gauge
> wires again or can I just use a 4 gauge battery wire
> instead?? It seems really dumb to me to use three
> smaller wires when one bigger one should work just as
> well or better. Maybe one of you electrical engineers
> could chime in and let me know why it was designed
> this way.
>
> Mike TPS 1630
>
> __________________________________________________________
> Check out the hottest 2008 models today at Yahoo! Autos.
> http://autos.yahoo.com/new_cars.html 
> <http://autos.yahoo.com/new_cars.html>
>
>  




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