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Re: 1971-444 gas starts cold / dies after about 1/
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Posted by Owen Aaland on March 10, 2007 at 19:04:58 from (65.165.246.14):
In Reply to: 1971-444 gas starts cold / dies after about 1/2 hr posted by Farmalfamily on March 10, 2007 at 16:56:40:
The coil on your 444 should be a 6 volt coil. There is no external resistor so it looks like it should be a 12 volt but unless someone has changed the wiring harness that is not the case. The resister is actually the wire that runs between the ignition switch and the I terminal on the solenoid. This wire is a steel stranded wire, not copper. Withn the tractor running there should be about 6 volts at the solenoid terminal. The only IH tractors I have seen that use a 12 volt coil are Cub Cadets and those with electronic ignition instead of points. If the ignition wire goes from the switch to the coil and then to the solenoid you need an external resistor. If the ignition wire goes from the switch to the solenoid and then to the coil there should be a steel wire in the harness between the switch and the solenoid and no external resistor is used. One problem with this design is when a strand or two breaks the wire can get hot enough at the break to damage the harness. Almost burned up my 2444 when this happened. IH used the same type of wire for the resistor for the alternator on motor trucks when they switched from 10DN to 10SI alternators.
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