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Sentry switch affected by volts/amps


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So I started my tractor this morning and the century switch did not want to work on the range side.  Shut it off to restart to see if that would reset it which it does sometimes and I didn't have enough juice in my battery to start it.  Hooked on a set of jumper cables tractor started and the light went out and it's been working fine ever since and it worked yesterday.  Does the century switch need to have a certain amount of volts or amps to function properly?

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14 minutes ago, nepoweshiekfarmalls said:

I would think so.

Ok.  I could kinda see it, but at the same time I wasn't positive. Probably should switch it out.  It's still a talk original one.  Switched out the power shift side years ago.  81XX hours

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As the others have said, your problem is not the sentry it is the batteries, cables, and charging system.  Any one of those items start to fail and you will drop voltage and lose your sentry controller.  
This was the main reason back in the late 80’s and early 90’s that so many sentries were removed and bypass harness/test harnesses installed.  People did not know the ins and outs of the system. Exact reason for wiring update bulletins.  Sentry would lose voltage and tractor would come to a complete stop in the field. 

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