Ok.. Dumb question about my tractor

[JohnnyBM931A2]

With the headlights on, truck in neutral, and parking brake on, am I supposed to have any illuminated lights at the rear of the truck? I have turn signals, brake lights when brake is applied, but no running lights (not sure if that's the proper term.. My mind just went blank.) Granted, I did check earlier when it was sunny out, so maybe they are really dim? Just trying to figure out if something is wrong, or if that is normal.

 

[wreckerman893]

Check the position of your light switch. There is on position that gives you brake lights but no tail lights unless the headlights are on. You could also have bad bulbs.

 

[Suprman]

Check the bottom left lever put it all the way up.

 

[JohnnyBM931A2]

Thanks guys. I verified that the upper switch was in the rightmost position, and the lower left switch was in its topmost position.. Nothing. Looks like I have 2 bulbs out Seems strange that both would be out, but I guess that's possible. Is there a chance that it's the switch itself?

 

[JohnnyBM931A2]

UPDATE: I still don't know what's going on. Pulled off one of the tail assembly covers, and everything looks new inside.. Even has grease on the bulbs. No corrosion, etc. Replaced the bulb (using the correct 623 24V bulb) and still nothing. These trucks mostly use breakers, correct? I don't recall seeing fuses anywhere. Could it be my light switch? I just think it's odd that both are not working. I really suck with diagnosing electrical issues, so any help is appreciated! Thanks in advance

 

[porkysplace]

UPDATE: I still don't know what's going on. Pulled off one of the tail assembly covers, and everything looks new inside.. Even has grease on the bulbs. No corrosion, etc. Replaced the bulb (using the correct 623 24V bulb) and still nothing. These trucks mostly use breakers, correct? I don't recall seeing fuses anywhere. Could it be my light switch? I just think it's odd that both are not working. I really suck with diagnosing electrical issues, so any help is appreciated! Thanks in advance

Time to get a test light out and see where you have power . Check connections for corrosion .

 

[JohnnyBM931A2]

Time to get a test light out and see where you have power . Check connections for corrosion .

Darn I'll need to get myself a 24v test light. Anyone happen to know how many connectors there might be in the rear running light circuit? I will try to seek out the wiring diagram in the TM's.

Also, can anyone else tell me why this is a dual filament bulb? The larger bulb below handles the turn signal and brake light, so I can understand that one being a dual filament. But why would the running light bulb need to have 2 filaments? Is there another function that it performs?