What does this mean?

Hello all. I have been re-wiring my 1586, which
has gone missing huge sections of the factory
wiring harness. Thus, I am flying blind on a
lot of it, piecing together the correct layout
from schematic diagrams which I learned about
from Bermuda Ken. The diagrams are a big help,
but I am stumped about one symbol: In a couple
of places, it shows a wire that comes out of a
connector, seemingly heading somewhere, and
then it just stops, or rather, ends in a sort
of hairpin shape, and goes no farther. Can
someone tell me what this means? Specifically,
there is one of these coming from a four-prong
connector that supplies the turn signal lights
to the top of the cab (except that this
particular wire doesn't seem to go to the
lights/flashers). Thanks, Hugh
 
I have seen something that looks like what I think you are describing. If so, it is a pigtail wire that isn't connected to anything. It is folded back on itself and taped. It is either for some optional equipment or something that wasn't used on the specific model.

An example might be a flashing light that, if installed, comes on whenever the headlights are on. Another example is a horn wire that is part of the harness whether you have a horn or not.
 
Like Jim says it's most likely a dead-ended pigtail. It's provided in the OEM harness to connect to an optional load like a warning flasher, cab heater fan, etc.
 
I appreciate it, guys. That's why I don't ever hesitate to post on this forum, nobody ever gives you the "what a dumb question" or "why don't you look in your owner's manual" routine! Hugh
 
If you trace it back to the other end I think you will find it is connected to the auxiliary 30 amp fuse at the bottom of the fuse panel. It is tucked into the tube that runs under the top of the right fender. It is there for use as a fused power supply for whatever you might need it for.
 
Sometimes if it has a squiggly line with a number with it, that wire will go to another page and then connect to your other line on that page to the circuit. I have seen this on some schematics in my radars and on some circuit diagrams on cars and other vehicles. Usually referenced by a number or color code or lettering designator. Squiggly line being in my case the top line in an equation where the equals sign in "in equivalent to" designation. You could almost call it a figure 8 on its side and the top off the front end and the bottom off the second half. or the other way.
 

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