[AT] IH B275 Diesel

[Gus]

You guys don't get it, each plug has two circuts and they don't ground thruthe threads and the last plug is grounded to the block...

-----Original Message-----
>From: rdhaskell at juno.com
>Sent: Dec 6, 2006 10:34 AM
>To: at at lists.antique-tractor.com
>Subject: Re: [AT] IH B275 Diesel
>
>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.
>>
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