I have a trouble code that says that the Generator field no switching
proderly. The manual says to check the generatorfield control circuit.
Does any one know what this means and how I can fix it?
TBone - 03 Apr 2006 03:50 GMT
I'm not sure. My crystal ball is getting fuzzy and is not giving me a clear
picture as to the make, model, or year of the vehicle in question. Perhaps
you could help me out.

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> I have a trouble code that says that the Generator field no switching
> proderly. The manual says to check the generatorfield control circuit.
> Does any one know what this means and how I can fix it?
shafferf_at@frontiernet_dot_.net - 03 Apr 2006 16:11 GMT
> I have a trouble code that says that the Generator field no switching
> proderly. The manual says to check the generatorfield control circuit.
> Does any one know what this means and how I can fix it?
PCM is unable to regulate generator field current.
Check for 12 volts to alternator field.
Check for open field in alternator; connections, brushes,
alternator field winding continuity.
Check wiring between alternator field and PCM.
Possible bad PCM.