[Farmall] Coil On Super M

[szabelsk at gdls.com]

The resistor is supposed to drop the voltage from 12V to 6V. In order for 
this to happen, the resistor needs to be in series with the coil. Sounds 
like yours may be in parallel with the coil since you are reading 12V at 
the coil. Double check how you have the resistor and coil wired together.

What it should be: 

            Resistor    Coil
12V  - - - - -^^^^^^- - - - -()()()()()()- - - - -Ground
             6V                6V

What you may have:

                   Resistor
12V  - - - - - - - ^^^^^^-- - - - - - - - - - - Ground
              I                  12V                           I
              I                                                         I
              I                 Coil                      I
              I - - -()()()()()()- - - - ---I
                12V


Carl Szabelski



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