Resistor diode burning

Broke2001club

I have a a2001 club 48volt that all of a sudden would only go maybe 2 mph. Batteries and cables are new, smelled electric type burn and and popped open back panel where clubs normally set, removed cover and what looks like a resistor assy with a small diode in the middle is burned badly, I'm by no means a cart mechanic so I installed a new resistor assy and immediately burns out, any ideas where I need to start? Live 2 hrs from nearest golf cart whiz

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BGW

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scottyb

Can you identify your drive system?

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jjance

First what size resistor did you install and what wattage was it? Did you get it from a golf cart parts place or a electronics store?

Broke2001club

It's ds model and I bought the replacement from golf cart shop thx!

jjance

The only reason the resistor will burn up is because the contactor (solenoid) is open. If the contactor was closed the resistor would be shorted out and no current would flow through it.

Broke2001club

Forgive me but not very mechanic minded, where would solenoid u speak off be located at

jjance

It's the thing that you attach the resistor to. You attach it to the two large terminals. Now that I take a second look at the resistor picture it appears that the ring terminals are too small to fit on the large terminals of the solenoid. Be sure you are connecting it correctly.

Broke2001club

Thanks all was connected correct, I'll check out what u suggested tomorrow, thanks so much

jjance

It should run without the resistor or diode connected. Check and hear if the solenoid clicks when you hit the go peddle. And if your cart has a run/tow switch be sure to put in tow before changing or connecting any wires.