Loss of power, 2002 Club car DS

Dynamike

Hello, I bought a 2000 DS at the end of the season last year, just now getting into riding it a lot. I noticed that after a few minutes of driving, it starts to lag in speed and power. (Still stays running though). I saw (what I think is a resistor, square box with two wires coming off of it attached to selenoid) and it’s burned. I’m new to golf cart repair however I’m not new to electrical repair. I read other posts about speed and thought it was the contacts in the V box until I found this resistor? I can’t find it anywhere online or in the electrical prints others posted on here.
Can’t seem to add a pic to show the “Resistor”.
My serial #A0020-889599
Correction. It’s a 2000

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Dynamike

Anyone????

Raystar57

Not sure what that is unless it's a low wattage voltage reducer.
Take some better pics maybe with a flash.
I don't think it's part of the solenoid resistor or diode connections
although it may be tapped to power there.

A failing reducer could pull excessive load on your system causing an under volt operating condition.

I think you can remove it and see what happens.

Oldie experts will chime in soon.

Do you have lights or accessories on the cart?

Dynamike

Yes, I have lights & a cigarette lighter (not sure why). Like I said, I can’t find it anywhere on the prints. So I’m guessing it’s aftermarket.

Raystar57

Yes, probably aftermarket.
Remove it and see what happens. It's burnt up anyway.
Is this a 36V or 48V cart?

You can get some nice reducers from one of our site sponsors.
For example: http://www.cartsunlimited.net/12v-reducers.html

Another thing is a bad reducer can drain down your battery pack...

Dynamike

36v. It starts off strong running then slowly starts to loose power. It never completely dies though and the battery’s are in good condition. I’ve never owned a cart before

Raystar57

"Good condition batteries" is subjective.
How old are they and how have they been maintained is the key.
Do you know their history?

Got a meter? Post up some pack voltage after full charging and resting 12hrs.
Also under load, like going up a moderate incline, what are the voltages on each battery?
Just clip meter on a battery and set meter on seat and drive and get volts.
Move leads to the next battery and so on. May need longer leads and larger clips.

Post up the results and we can see what you have going on.

What charger do you have?

This thread is helpful. Especially the state of charge charts.
http://www.buggiesgonewild.com/elect...batteries.html

handtools

The burned white box is the solenoid snubber.

Solenoid Snubber.pdf

Dynamike

Ok, what does it do? Is it needed?

Raystar57

Learned something new today thanks handtools!
Yes the function of the snubber is needed to help protect the contacts of the solenoid.
It can be done with a 250ohm 10watt resistor.
You may have some bad solenoid contacts causing excess current to flow through the resistor.

https://www.golfcarcatalog.com/produ...trol-Solenoids

See this thread.
http://www.buggiesgonewild.com/elect...t-snubber.html

You may want to replace the solenoid as it may be going bad.

Is this a resisror coil speed system or do you have a controller?