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Bob M or other electrical guru, tractor won't stay
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Posted by chadd on November 18, 2006 at 06:11:46 from (4.188.128.43):
Hi guys, still working on that 2500A that I posted about last time (would fire for a second and then do nothing). Well, I must be doing a good job fixing it, because now I got it so it won"t run at all. I started doing continuity tests on some of the wires. What I find is with the key in the run position and the continuity tester between the pos. terminal of the coil and the positive terminal of the battery cable, the tester makes a nice continous beep. What seems odd is that if I take the connection off of the positive battery terminal and then hook it up to the negative (ground) battery terminal it also makes a nice steady beep when the other lead is still connected to the positve coil post. It has an automotive style key (turn to detent to run, turn further to engage starter) If I turn the key switch to the start setting (to make the starter engage), there is no beep between the positive battery terminal and the positive coil post and there is a beep between the negative battery post and the positive post of the coil. I am having a heck of a time figuring out what is going on. I"ve found that the fuel solenoid works properly, but is wired through the coil connections, so that if there is no power to the coil, there is no fuel leaving the carb either. Am I testing the starting circuit correctly, and does the info above seem normal? Thanks, and sorry for the long post. Chad
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