[DML] Re: 3 post idle microswitch

["David Teitelbaum" <jtrealty@xxxxxxxxxxx>]

Someone famous (I can't remember who) once said "Common knowledge is
not so common". Too many times I take the really simple stuff for
granted and there are many out there that not only do they not know
about switches, they don't know about multi-meters! Gregg's
explaination is very though but anyone who doesn't know this stuff
really should go out and buy a basic primer on automotive electrical
systems. They are not that complex, at least on the older cars. Try
Classicmotorbook.com for starters or a large bookstore or even your
local library. The DML is not meant to teach something so basic, it is
expected that YOU (the reader) bring some basic level of knowledge to
the table. Hey, if half of the people asking technical questions
bothered to read and understand the Workshop Manual there would be a
lot less questions. Much of what we go over on the List is in there
albiet with little explanation. It was meant for mechanics with an
advanced level of skill.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, "endotex23" <endotex23@xxxx> wrote:
> 
> 
> Good Lord, such a fuss over something so simple. Instead of giving out
> fish let's try and teach fishing. Apologies to those who already know
> this very basic stuff.
> 
> As Martin points it's a single pole, double throw switch. All switches
> have two parts 1) The electrical portion that does the actual
> switching of current and 2) The actuating portion. The two portions
> are mechanically interconnected but electrically isolated from each
> other. (After all, you don't what electricity on your switch
> actuator).
> 
> The term single pole refers to the electrical portion. It simply means
> the switch is designed to switch only one electrical circuit, or
> "pole". The normally open (NO), normally closed (NC) and common (C)
> refer to the switch's contact state when the actuating portion is
> *not* active. The "throw" part also refers to the electrical portion
> of the switch. Pressing the lever results in the internal contact
> "throwing" one way and releasing it results in it "throwing" the other
> 








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