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Ford 4610

H

hamco9s10

New User
Ford 4610 Diesel (201) - battery light on- alternator tested fine - generating 16+v. All wires and connections checked- cannot find anything obvious- voltage regulator (self polarizing) replaced. No charge at battery when running. thoughts?
 
A quick check if the voltage you post here is from the alternator output terminal, the alternator is charging. It is not getting
to the battery, so there must be a burnt fuse link, or bad wire. A simple test to assure alternator is on is to put a thin piece
of steel (hacksaw blade) against the back end of the alternator where the bearing is located if there is strong magnetism there it
is at least getting field current. If weak, or none. it is not getting field current to the rotor. Jim
 
With the switch on, engine off, does the charge light come on?

If not, check for a bad fuse to the instruments, especially if any other instruments are not working.

Also be sure the regulator base is grounded.
 

These tractors have a battery temperature sensor in the bottom of the battery tray that is part of the exciter circuit.
You can unplug the sensor and put a jumper in the wires to test the rest of the system.
When my 6610 stopped charging that was the first thing I checked.
 
Sounds like its overcharging to me.Battery
light will come on when its overcharging as
well.Your voltmeter should be reading about
13.5 -14.5 volts at the battery with engine
running.I think the charging system on
those tractors use a voltage regulator
that's separate from the alternator,sounds
like one or the other might be bad.Post in
the Ford section.There are some guys there
that know those tractors well.

Paul
 
Oops,didn't see the last part of post.Sounds like a open circuit between alternator charging output post and the battery.
Paul
 
Traced the wire from the positive terminal on the alternator to the solenoid above the starter- 16+ volts to the solenoid and then 12.2 on the positive terminal at the solenoid where the alternator hot wire and the positive battery are both connected. Not sure where to go from here:
 
If the wire has 16 and the terminal it is connected to is 12, the connection is bad at the terminal end or the stud. The heavy wire from the
alt. should go to the terminal on the solenoid that connects directly to the battery. Jim
 
Thanks for all the replies- finally found the problem- pulled the "hot" wire from the alternator to the solenoid and tucked up behind the fuel filter at the end by the solenoid was a fusible link. I started the tractor and disconnected the solenoid end and jumped the connection between the alternator and the solenoid with another wire and the battery light went out and I was getting 13.5-14 volts at the positive battery cable at the battery. Have to assume the fusible link was bad. Replacing the entire line and putting a new spade fuse link in where I can easily access it.
 
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