Posted by Joe in IN on August 26, 2008 at 21:05:42 from (206.246.147.62):
History(in case it applies): Tractor had low batteries, my mother(heard all the jokes don't need them) attempted to jump, but crossed the wires to left battery. Cables got really hot. Got two new batteries it started fine.
Baled a couple acres, noticed the positive wire from left battery came apart from the eye hole that connects to solenoid. So easy fix get a new cable(old one had a rub spot in it from clutch)...and everything will be fine...nope...
Batteries are run parallel. 12 volt system, 12 volt batteries. Multi meter with left battery (From cylinoid ) and get 12 volts. Great, but not enough to start tractor.
Isolate right battery, multimeter it from solenoid and get 4 volts... Hmm bad wire I assume, for lack of anything else I use a jumper cable from right battery pos terminal to solenoid...and get 4 volts. Battery pos term to neg term gets 12(good battery). Battery from Pos term to where it grounds on tractor gets 12. battery is good, ground is good.(right?)
Measures 12 volts when the right battery cable is checked vs ground, but the moment i put it on the cylinoid, 4 volts.
So....help. Both batteries connect with the solenoid at same spot. one gets 12 volts other gets 4. Thus tractor won't start, won't even begin to turn over.
If there was a problem with the solenoid, why would left battery be 12 volts when connected, but right only 4... I am stumped...
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