Won't run

Have a 2005 ES, Gel bats new one year ago. When I turn the key, I get nothing sometimes, then othertimes it will run for a little bit, then shut off. I replaced the ignition switch and it ran for twenty yards then quit. Buzzer for brake is on. ??? Full charge. Help

Go thru the trouble shooting tree for your control.

http://www.fsip.biz/Documents/GL3Tech.pdf

Set aside 2 hours and go thru all posts in the GEM sub forum listed under the Golf Carts and NEV’s section of the forum.