[AT] IH B275 Diesel

[rdhaskell at juno.com]

John.
These glow plugs are different than most, they do not ground through the
threads into the block.  The center where the thumb screw goes is
insulated from a flange behind it which is also insulated from the
threaded section that screws into the block.
 
Ron Haskell
rdhaskell at juno.com
Riverside, California
USA
http://albums.photo.epson.com/j/AlbumList?u=3009370&f=0

> Gus take a Plug out and check to see if you get resistance between 
> the two 
> circuits.
> Then check to see if you get resistance between the circuit and the 
> plug 
> threaded part.
> I would pretty much assume that I'm right and the two circuits are 
> the same 
> the hot wire to all plugs and they are grounded though the plugs to 
> the 
> engine.  It just doesn't make since that they would be in series as 
> you say 
> because you won't get enough voltage to heat the glow plugs.
> 
> The last plug should only have one wire going to it. don't ground it 
> out or 
> they won't work.
> 
> John K.
>