Posted by Gene-AL on February 04, 2008 at 16:29:57 from (72.147.114.182):
In Reply to: Wrong Diode I guess posted by TWheat on February 04, 2008 at 12:36:09:
TWheat, Short answer: No. Diodes rarely fail unless abused, the one you got should work OK. Your diode wire needs to be connected to an on/off switch which removes battery power when the tractor is shut down. From your description, sounds like yours may be connected direct to a battery source rather than to the ignition switch 'ON' terminal (should be same terminal that feeds the ignition coil circuit).
When the diode wire is connected correctly to the ignition switch 'ON' terminal the tractor would likely run-on when the switch is shut off IF the diode is shorted, but the alternator would charge normally. If the diode is open or connected reversed, then the alternator would not start charging at low RPM's (if at all).
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