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  #11  
Old 04-03-2014, 09:11 AM
bschmittling bschmittling is offline
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Quote:
Originally Posted by R Bedell View Post
AS A TEST...........!!!

Run a long jumper wire from the V/R foot to the Battery Negative Terminal and see if this improves things.

See Wiring Diagram 1x4/5 (about 2/3 the way down the page)......... Wiring Diagram
What I see is a white wire that runs from the VR ground back to the battery. My VR has 3 tabs on one side Bat Gen F and one tab on the other side G. A resistance test between the G tab and the body of the VR reads 0 ohms.

And yes, I did have the headlight wire hooked to the G tab. I will clean up where it mounts with a wire bruch and see if I can get a decent ground without a wire.
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  #12  
Old 04-03-2014, 01:42 PM
bschmittling bschmittling is offline
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OK, I now have a good ground to the VR body with the engine running. Still nothing. I have disconnected the Gen and Field wires at both ends and checked for continuity. My Bat wire to the VR has 12v at all times. What next?
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  #13  
Old 04-03-2014, 02:11 PM
J-Mech J-Mech is offline
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With all wires connected and the engine running what is the voltage on the "G" terminal of the VR? (Engine at about half throttle.)
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  #14  
Old 04-03-2014, 06:13 PM
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Alvy Alvy is offline
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It sounds like you have an issue concerning the v/r. Possible adjustment internally or normally closed tips are glazed or corroded. Read the service manual on how to check/adjust internal v/r tips.
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  #15  
Old 04-03-2014, 08:51 PM
bschmittling bschmittling is offline
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Quote:
Originally Posted by J-Mech View Post
With all wires connected and the engine running what is the voltage on the "G" terminal of the VR? (Engine at about half throttle.)
It was around 9v. It is working better now though. The original voltage regulator was an earlier version with L Bat F on one side and Gen on the other. Turns out it just lost ground and wasn't charging the battery. When I changed it for a new one I just hooked it up the same way since they looked alike. Scratch one VR since the new one was Bat Gen F. Put the old one back on with the ground wire on the mounting bolt and it started working.

Right now I get about 12.4v on the bat with the engine off and 12.9v with the engine running. That may be a bit low but it will hold me for a while till I get another VR.
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  #16  
Old 04-04-2014, 06:18 PM
Cubby guy Cubby guy is offline
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Right now I get about 12.4v on the bat with the engine off and 12.9v with the engine running. That may be a bit low but it will hold me for a while till I get another VR.[/QUOTE]

That still sounds a bit low (I'm thinking that the voltage for charging should be around 13.2-13.5.....someone that knows for sure will answer shortly).


Corroded connections can be a real issue for these 30+year old tractors.
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  #17  
Old 04-04-2014, 07:35 PM
J-Mech J-Mech is offline
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12.9 at idle is ok. Unless that is at half throttle or more. It should be over 13 yes. Honestly, it should be around 14-14.4, but that's hard to get out of an old generator and wiring.
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  #18  
Old 04-04-2014, 07:51 PM
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darkminion_17 darkminion_17 is offline
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You need to turn the screw on the points for the VR to increase output.BTDT.

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  #19  
Old 04-12-2014, 09:09 PM
bschmittling bschmittling is offline
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Put a new voltage regulator in today. Finally got it wired up right. Acted kinda funny at first but after I powered it up and down a couple of times, I now have 13v at half throttle and it is showing a charge at the meter. THanks guys for your help and patience.
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