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Did some electrical troubleshooting today


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#1 jhn9840 ONLINE  

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Posted April 05, 2011 - 03:03 PM

It's not my strongest suit. Just wondering if anyone else can confirm my thoughts.

Craftsman DYT4000. B&S 407777 0121e1 040210. This tractor was left with the key on after its last start about a month ago. Battery would not then hold a charge. Bought a new battery still no go just a single click from the solenoid. Did some checking got 14.3 volts at the battery terminals and 14.3 at the input on the solenoid. Got 0 coming out of the solenoid. Time for a new soelnoid I would figure. Is there anything else I should be checking? The tractor started and ran prior to the key being left on. Other thoughts or advise is more than welcomed.

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John

#2 DougT ONLINE  

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Posted April 05, 2011 - 04:30 PM

John, the small wire at the solenoid should have voltage in the crank position. If there are two wires it will be pos and neg. That wire usually goes through the safety switches to energize the solenoid. You could jumper voltage to it to test the solenoid.
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#3 NUTNDUN OFFLINE  

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Posted April 05, 2011 - 04:39 PM

Like Doug said, make sure you have voltage on the hot wire going to the solenoid from when the ignition switch is in the start position.
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#4 jhn9840 ONLINE  

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Posted April 06, 2011 - 01:16 PM

Thank you Doug and George for you help. I'll look into it further here in a couple of days and let you know what I find.

jhn9840
John




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