Quoting Removed, click Modern View to seeSince I only have diagrams for 2000,3000,4000 and 4100,4600, etc. AND not for your 4400, "certainty" is a missing factor here. Sure would be nice if owner of 4400 diagram would pop up, but......
Given that, since you replaced the solenoid, you are almost certainly correct in that one of the wires got put back in the wrong place. The 4100 & 4600's used a ballast resistance between the key switch and the ignition coil AND used a terminal on the starter solenoid to bypass that resistance during starting........ I expect that the ign coil bypass wire is now connected to the battery terminal on the solenoid and NOT the start-bypass terminal, as it should be. Probably should be only one wire besides battery cable on that large solenoid terminal.
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