I have a Columbia golf cart I think 2007 and it had a controller recently replaced and new batteries
Now the 2 speed switch does not work and the controller seems to get very hot and you can smell an electrical smell over heating serial number 5fcle26a9a1000106 other numbers on cart are NEV2-48a and eagle P4E-LE P4E-SE is on the parts manual and it has a regen system
Cars & Trucks - Eagle
Answers & Comments
I would take it back to the place that replaced the controller and batteries.