RE: [DMCForum] DUMB QUESTION OF THE DAY

["timnagin" <timnagin@xxxxxxxxxxxxxx>]

Not a dumb question at all.  I have found lots of connections like this in
the car.  I assume it's due to the way they built the wiring harness on a
layout board and just tied certain wires together in a bundle.

 

The wires may have been too close to the exhaust manifold at some point.
Mine were like this and the tape was a mess but the wires were fine.  I just
cleaned everything up, re-taped them, and moved them as far away from the
exhaust as I could.  I also covered mine in split loom over the tape.

 

You can use either three small wires, one for each, or one larger wire.  It
makes no difference as long as the one wire is equal to or slightly larger
than the three.  Also, there is no fuse between the battery and alternator
on the main power.  I plan on installing a maxi-fuse as newer cars have a
fusible link in line.

 

Greg

 

 

  _____  

From: DMCForum@xxxxxxxxxxxxxxx [mailto:DMCForum@xxxxxxxxxxxxxxx] On Behalf
Of mike clemens
Sent: Wednesday, September 26, 2007 4:45 PM
To: dmcforum@xxxxxxxxxxxxxxx; dmcnews@xxxxxxxxxxxxxxx
Subject: [DMCForum] DUMB QUESTION OF THE DAY

 

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





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