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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-09-18          197101

Massey-Ferguson 251
**Problem: 3 Warning Lights in dash come on and will not go out. Battery charge warning light comes on. Engine oil pressure warning light comes on. Transmission oil pressure warning light comes on. Tractor runs with all three lights on. Water temp, Oil pressure and other lights/gauges work.

Belt to alternator is tight and is tensioned on fan pulley.

Transmission shows fluid up to XX mark on dipstick (full).

Battery appears to be sound.

Front lights work. Rear lights work. Turn signals work.

Emergency Flasher works.

Checked fuses in cavity below steering wheel. All appear to be ok.

Where would I start to get the lights to go off and fix what might be wrong?

I will post as we work this one out. Any suggestions will be appreciated. Thank You.

Starkiller

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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-09-20          197112

Cleaned battery ground to frame. Tachometer still does not work. Next stop - shroud by dash to begin looking for a short in the wires. Will be a couple of days before I have time. Thanks for reading this. At least the "break down furthest possible distance from house" switch did not come on. ....

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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-09-22          197114

Tractorpoint

I have the shroud, top over the fuel tank, side screen off front of alternator and panels off the tractor. I can see the wiring and alternator wiring and will be able to check it with a multimeter. That was it for the morning. Other stuff to do today.

Will post what I find out on Saturday.

pathunt
Starkiller Hollow, Oklahoma ....

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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-09-24          197122

Here is what I found out -

Probed battery with meter – 12.87 volts. Probed when running – 12.53 volts.

Probed alternator while running – 12.53 volts. Small red wire – 1.21 volts.

Started tractor and took off negative to battery– tractor stopped.

Have to think about what it means. Thanks.

pathunt ....

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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-09-24          197124

Second set of readings 9.24.17

Probed battery with meter – 12.8 volts. Probed battery when running – 12.55 volts.

Probed alternator while running – 12.55 volts.

Still unsure as to what it means. Do I have a bad alternator or should I be looking for a short?

Thanks,

pathunt ....

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Warning lights on while running and do not go out

Starkiller Join Date: Sep 2017 Posts: 7 NE OK

2017-10-25          197210

To all:

Thanks for your help.

Checked wiring at dash and guages, rebuilt grommets that keep dash from vibrating, secured wiring from vibrating at connections near alternator. Bought & installed new alternator. Put everything back with no leftover parts. Started it up - battery charging at 14.2 - just in time for grandchildren's hayride.

Thanks again.

Starkiller Hollow, OK ....

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