Posted by Royse on August 07, 2012 at 15:33:03 from (69.36.49.151):
In Reply to: ceramic resistor posted by mb58 on August 07, 2012 at 10:41:43:
Adding to John T's input, he said:
"If for some reason (wiring wrong or a short etc) the output of the ballast was connected to the tractors frame ground, Id expect 12 on its input but zero on the output i.e. its dropping the entire 12 volts across it"
Could happen, and if it were I would expect the resistor to be very warm in a short period of time.
He also mentioned an open resistor and open points, in which case I would expect the resistor to be cold/ambient temperature.
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