How to fix accelerator that doesn't come back off. When you push on it you have to pull it back off. On cub car golf cart.

Question edited for a lot more clarity.
Question moved to Golf Carts.

Probably a dirty throttle controller. Strip down and spray with electrical switch cleaner.

https://www.google.com/search?q=1996+ezgo+electric+hesitates

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check speed controller

Question edited for clarity.
Question moved to golf.

Solenoid. (electro-magnetically operated switch)

What are the symptoms of a bad solenoid in a golf cart? On an electric golf cart, the most common symptom is the solenoid is not delivering electricity to the controller when the vehicle's ignition is turned on. In normal operating conditions, the solenoid clicks on and off with the ignition switch. A failing solenoid will generally not click.
https://www.google.com/search?q=patterson+golf+buggy+solenoid

If it clicks, it is more likely to be the accelerator potentiometer, basically the variable gas pedal. Great resource in the link for Golf Cart woes.

https://www.golfcartsforsale.com/blog/5-common-electric-golf-cart-problems-solve/

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You question is very vague as to what type of push cart your needing wheels for.

Taking a guess your describing a 3-wheel GOLF push cart, this site sells replacement parts. (If not a golf cart, please post a new question describing the make and model of cart).

https://news.sunmountain.com/golf-push-pull-cart-parts/

I would think either the batteries are dead, or its broken.

check for a broken return spring for the preal

re wire the golf cart. poor ground and possible battery replacement needed

Troubleshooting a golf cart - APLawrence.com

aplawrence.com > Miscellaneous

Mar 29, 2015 - If you need help with a golf cart, I suggest asking at Buggies Unlimited. .... Within a half hour I had everything in place, cinched down, connected and ready. ...it is still getting power to the forward and reverse other words itsworking and ... I let mybatteries completely drain and now the charger won't turn on, ...

Put Spring In Your Electric Golf Cart ' Golf Cart Talk Blog

https://www.golfcarcatalog.com/golf-cart.../put-spring-in-your-electric-g...

Mar 9, 2004 - On a car with 8-volt batteries, connect a 12-volt charger to each individual ... If you do not have a 'Regen' system, then just put the Forward/Reverse(F/R) switch into the .... speed controller stays dormant and will not permit the car tomove. ..... My other question would be did anything "fail" in the cart prior to ...

About Golf Cart Battery Chargers ' Golf Cart Talk Blog

www.golfcarcatalog.com/golf-cart-blog/about-golf-cart-battery-chargers/

Apr 1, 2012 - Tutorial on golf cart battery chargers, the basics, what goes wrong, ...BATTERIES ARE DEAD AND CHARGER WON'T COME ON ... This is usually indicated by a car that creeps when the brake is off and the car is in forward orreverse. ... a connected pair of batteries with a 12 volt, auto style battery charger.

Basic EZGO Golf Cart Problems And How To Fix