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I need a wiring diagram a Wico -4 6 volt distributor, which…

I need a wiring diagram...
I need a wiring diagram for inside a Wico B-4 6 volt distributor, which is fitted to the pony (cranking) motor on a John Deere 720 diesel tractor. Any help will be much appreciated. The electric start for the pony motor is also very sluggish even when connected to a fully charged battery that is indicating 6.5 volts.
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Answered in 3 hours by:
1/24/2016
Mechanic: Curtis B., Technician replied 6 years ago
Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 43,924
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.
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Ask Your Own Agriculture and Farm Equipment Question
Mechanic: Curtis B., Technician replied 6 years ago

The 6 volt will always be sluggish! But check voltage when starter is engaged, it may be dropping below 4 volts, which would indicate battery or cable issue.

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Mechanic: Curtis B., Technician replied 6 years ago

The wiring is minimal, with points and condenser wired together, with the wire from the coil, which gets the 6 volts from battery. and points have to be insulated and ground only when the points close. I didn't find a diagram for the wiring.

Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 43,924
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.
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Curtis B.
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Category: Agriculture and Farm Equipment
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