184 overcharging battery

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hoythunter25
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184 overcharging battery

Postby hoythunter25 » Tue Apr 21, 2020 3:37 am

Hi guys, back in winter I was plowing snow and looked down and noticed a little steam/smoke coming from my battery. I turned off the tractor immediately and it seemed to stop so I let it cool and then parked the tractor and luckily didn't really need it again with the mild winter in Michigan. I tried to use the tractor a couple weeks ago and the battery was too dead to start so I jump started it and used it very briefly and put the charger on it. I started the tractor on Sunday and was using the plow to push some piles of yard debris and after 15/20 minutes I noticed the steam/smoke again so I shut it off and let it cool. The battery was pretty old so I thought the battery was probably failing and needed replaced. I purchased a new battery yesterday and after 20/30 minutes of use I noticed this same thing happen to my brand new battery. I am thinking the battery is getting overcharged? Any help would be greatly appreciated!

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Re: 184 overcharging battery

Postby Slim140 » Tue Apr 21, 2020 5:25 am

Voltage regulator may be stuck or bad. I’m assuming it has an alternator and it’s part of it, take the alternator off and have it tested.
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Re: 184 overcharging battery

Postby outdoors4evr » Tue Apr 21, 2020 6:08 am

Shane N. wrote: take the alternator off and have it tested.

Any good auto parts store can test an alternator. Yours may be working "excessively well".
Also check to make sure wires did not come disconnected from the alternator. Might want to unplug and reconnect the alternator connections.
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hoythunter25
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Re: 184 overcharging battery

Postby hoythunter25 » Tue Apr 21, 2020 7:06 am

Is there a way to test the regulator itself? Or is that part of having an auto parts store test the alternator? I also have the problem of the key not shutting off the tractor. I have seen previous posts about this and tried to follow what was said about checking wires from regulator were in the correct locations and they seemed to be from how I understood the posts.

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Re: 184 overcharging battery

Postby Dale Finch » Tue Apr 21, 2020 7:16 am

Probably not the case, but as a remote possibility, are you sure you have a good connection with your battery terminals, and that they are in really good condition? Are they the clamp style terminals? Just a thought...it can cause big problems. :? If it happens again, see if the terminals are hot.
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Re: 184 overcharging battery

Postby Gary Dotson » Tue Apr 21, 2020 7:23 am

The two symptoms lead me to think that the two small wires on the alternator may be reversed. Check that again. The alternator is not seeing proper battery voltage at the #1 terminal so it keeps trying harder. In the mean time, voltage from the #2 pin is flowing to the coil, preventing it from shutting down.

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Re: 184 overcharging battery

Postby hoythunter25 » Tue Apr 21, 2020 7:28 am

Gary Dotson wrote:The two symptoms lead me to think that the two small wires on the alternator may be reversed. Check that again. The alternator is not seeing proper battery voltage at the #1 terminal so it keeps trying harder. In the mean time, voltage from the #2 pin is flowing to the coil, preventing it from shutting down.



What exactly should I be looking for with the two wires? Can someone explain this again please?

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Re: 184 overcharging battery

Postby Larry B » Tue Apr 21, 2020 7:30 am

https://www.google.com/url?sa=t&source= ... JQuoNyAUbp

The above link can help you troubleshoot your 184 alternator.
Have you used a voltmeter to see what the voltage is at the battery while the tractor is running?

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Re: 184 overcharging battery

Postby tst » Tue Apr 21, 2020 7:37 am

1st put a meter on it and read the voltage, should be NO MORE that 14.5 volts, if it is the regulator is probably bad

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Re: 184 overcharging battery

Postby hoythunter25 » Tue Apr 21, 2020 8:59 am

So I put a volt meter on it....

While not running = 12.8v
While running = 19v

So does this mean the regulator is bad? Or just possibly wires switched around since the key doesn't tuen off the tractor?

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Re: 184 overcharging battery

Postby hoythunter25 » Tue Apr 21, 2020 9:08 am

Here is a picture of my alternator, not sure if that helps diagnose anything...
20200421_100304_resize_55.jpg

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Re: 184 overcharging battery

Postby Slim140 » Tue Apr 21, 2020 9:46 am

hoythunter25 wrote:So I put a volt meter on it....

While not running = 12.8v
While running = 19v

So does this mean the regulator is bad? Or just possibly wires switched around since the key doesn't tuen off the tractor?

Take it off and go have it tested, they'll test it for free. That will tell you what to do next. New alternator or chase a wiring problem. I'm betting your alternator is bad with that much voltage. Nothing else would cause it to go that high.
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Re: 184 overcharging battery

Postby tst » Tue Apr 21, 2020 10:58 am

that is a common delco 10 alternator, regulator is where the 2 spade terminals plug on, you can disconnect the plug, run a jumper wire from the post where the power comes in to the alternator and hook it the where the red wire was plugged on the regulator, while running and check the voltage, this will bypass the wiring, if it still over charging its the alternator, what is the red wire just hanging bare in your picture?

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Re: 184 overcharging battery

Postby Eugene » Tue Apr 21, 2020 11:53 am

I would purchase a remanufactured alternator with 1 year warranty.

I was going to replace the regulator in an alternator years ago. The regulator cost about the same as a remanufactured alternator.

The alternator pictured is very old, diodes mounted in the case, and with what I think is an external regulator.
I have an excuse. CRS.

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Re: 184 overcharging battery

Postby tst » Tue Apr 21, 2020 12:17 pm

I see now that the red wire is pulled out of the spade connector at the resistor, fix that 1st and retest


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