Rewiring Massey Ferguson 35 with 10-SI alternator.

ksfarm

New User
I have a Massey Ferguson 35 with a Delco 10-SI alternator. I had some problems and decided to rewire. Not really thinking, I made no notes or pictures of the wiring diagram. I have it connected back and it starts but the AMP meter seems to not be working correctly. Does anyone have a wiring diagram for a Massey Ferguson 35 Gas with a 10-SI alternator. I have reviewed numerous papers and I can't find one consistently be the same.
Thanks and I really appreciate any help. :)
 
go to fergusontractors(dot)org then resources and wiring diagrams

Check out the one for the Delco alternator

If you have the 3 wire alternator, big stud goes to ammeter, #2 pin can loop to big stud, #1 pin goes to switch through a light or diode.

#1 pin jump starts the alternator to charge

What is problem with Amp Meter?
 
(quoted from post at 18:08:02 07/21/15) go to fergusontractors(dot)org then resources and wiring diagrams

Check out the one for the Delco alternator

If you have the 3 wire alternator, big stud goes to ammeter, #2 pin can loop to big stud, #1 pin goes to switch through a light or diode.

#1 pin jump starts the alternator to charge

What is problem with Amp Meter?

It's always over on the far right side, never goes back to the center.
 
(quoted from post at 19:16:12 07/21/15)
(quoted from post at 18:08:02 07/21/15) go to fergusontractors(dot)org then resources and wiring diagrams

Check out the one for the Delco alternator

If you have the 3 wire alternator, big stud goes to ammeter, #2 pin can loop to big stud, #1 pin goes to switch through a light or diode.

#1 pin jump starts the alternator to charge

What is problem with Amp Meter?

It's always over on the far right side, never goes back to the center.


I have one question, looking at the ammeter is the + side on the right and minus on the left.
 
Last one I wired you have to hook the alt. wire on left sitting in the seat but if you hook it backwards the meter will
register into the negative.
 
Looking at front of amp gauge, right is + or charge and left is - or discharge

I have found on several amp gauges that you can't always rely on + and - markings on back side.

With engine and switch off, ammeter should register center or 0 scale
With engine off, turn on switch and/or lights. If amp gauge swings slightly to negative (left) it is wired correctly, if it swings to positive (right) reverse the wires.

If it stays far right when off it is likely wired backwards as + side should indicate charge and it cannot be charging with engine off.

Full scale with engine off could either be stuck gauge or wired backwards and shorted alternator causing high discharge.
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top