642B ALTERNATOR LIGHT

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gfrye

Member
Joined
Jul 10, 2006
Messages
17
I BROKE AND REPLACED THE ALTERNATOR BELT ON MY 642B WITH A GAS, MITS ENGINE. WHEN IT BROKE, THE LIGHT CAME ON. AFTER REPLACING THE BELT, IT'S STILL ON. SUGGESTIONS?
 

skidsteer.ca

Well-known member
Joined
Jan 20, 2006
Messages
3,853
DOES ANYONE OUT THERE HAVE A WIRING DIAGRAM FOR A 642B BOBCAT THEY COULD SEND ME?
(if memory serves) most idiot lights for alternators get a 12 volt + feed from turning on the key, and are grounded to the “field or fld” terminal on the alternator. When the alternator begins to charge the field becomes 12v + and the light goes out because it has to have a neg to “ground” or complete the circuit.
Perhaps you pinched that wire or somehow it is getting a ground that it should'nt. Check the field terminal on the alt to see if it will provide a ground for your test light and that it supplies + power when the engine runs.
Good luck
Ken
 
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