emd f9 diesel

[georgeroger]

 :-[i have an emd f9 that won't run. if i raise one end off the track it will run, if i leave both ends on the track it won't run and my controller overload light comes on, what gives?

[RAM]

check to see if one of the trucks is turned around the wrong way.

[ABC]

Something is causing a short, so check to make sure all your wires are connected properly.