180 lights

[Hooked180]

Someone rewired my 180 Massey lights before I bought it. But the ampmeter dischares a little when I have the lites on. I felt one of the
connections and it was hot. I have the wiring diagram from the parts book but the wiring is not an original harness. So what do I do to get the
lites to work properly? Can't order a harness from Massey. Any ideas? I have a new switch but I haven't put in on because I don't think that's the
problem and it cost $68

 

[Jim.ME]

The parts book has harness diagrams, not the wiring diagrams. To rework the harness you need the Massey Ferguson 180 Operator's Manual which has the actual wiring diagrams in it. There are different manuals for the Continental and Perkins engines so you should get the one that matches your engine. The wiring diagrams separate the wires and show where each is supposed to connect.

Did you get your steering leak fixed?

 

[Hooked180]

I reset the expansion plug and so far the leak has stopped but I only ran it for half an hour.I ordered a new plug and will replace the olden before
a tractor ride.

Thank you so much.

 

[Steve@Advance]

A hot connection is a bad connection!

It can be where the terminal is attached to the wire, where the terminal connects to the switch, or it can be internal where the switch contacts make connection.

It is normal for a high amp load to get a little warm in places, but should not be too hot to touch or discolored from heat.

Unless the hot connection is in the charging circuit, as in the ampmeter, or the wire from the generator, regulator, or the alternator, which ever it has, that is probably not the problem unless it is wired wrong.

Is it showing discharge all the time the lights are on, or only at idle?

A generator needs to be revved up some to output enough to overcome a heavy load.

Sometimes an alternator does too, depending on the pulley ratio. Also a damaged alternator will sometimes loose some low RPM output.

 

[Hooked180]

It is showing 11 amps on the amp meter idle or 1000rpms.It has an alternator.

 

[Jim.ME]

In your first post of this thread you posted the ammeter discharges a little when you have the lights on. Is the 11 amps you mention in this post discharging or charging? Lights on or off? What is the voltage across the battery terminals, not running and running at about half throttle??

 

[Hooked180]

Discharging with lights on.

 

[Jim.ME]

Perkins diesel? Does it have the original type Delco 10DN alternator with external regulator or has it been converted to something else?

If it is still the Delco 10DN style, you can remove the 2 wire plug from the back of the alternator and (while running about half throttle or more) use a jumper wire to supply full battery power to the F terminal. This will full field the alternator and it will give about full output if the alternator is good. If it doesn't give output, the alternator has problems. If the alternator does give high output it indicates a bad regulator or a wiring problem. Does the wire, in the plug you disconnected have 12 volt power on it when the engine is running? Now power would indicate a bad regulator. , or wiring problem related to the regulator.

Did you get the Operator's manual so you have the wiring diagrams?

I believe you have an oil pressure switch located in the dash, behind the oil pressure gauge that is used to supply power for gauges and alternator excitation power. Is it there, hooked up and working?

 

[Hooked180]

Thank you I will try and check all those things if I am smart enough.

 

[Hooked180]

11 amp discharging with lights on at 1000 rpms. The battery is checking 12 volts. Thanks.

 

[Jim.ME]

You may have a lighting circuit issue, but your description sounds like you have a charging system problem. Battery voltage with the engine not running, and everything turned off, should be near 12.6 volts across the battery terminals and 13.2 to 14.2 volts running.

I would shut off (or unhook) the lights and make sure the charging circuit is right first. Then check the lights out.