G16E bucking like a bronco

rwhidden

I am stumped on this one. My 76 year old Father-in-law's 1998 G16E 36 volt is bucking and kicking like a mule when you first touch the accelerator pedal.

About a month ago he said he was riding up the driveway and the center battery support broke free and the two center batteries were hanging but not dragging the ground. He got it back to the house and decided to replace the angle iron frame himself. He pressure washed the battery trays and all of the under seat area. He fixed the battery frame and reinstalled the batteries. The cart would not move, I checked all of the connections, fuses and batteries and everything looked good. Called a local shop and they said he probably fried the controller. Took it to the shop and after $400.00 in parts and labor the shop said it was fixed. When I went to load it on the trailer it jumped and jerked like crazy when I barely touched the throttle. The cart mechanic seem dumfounded and said it was either the throttle positioning sensor not recognizing first gear and jumping straight to 2nd or maybe it just needed to run a little and it should straighten up. I priced the TPS and it was $240.00 (ouch) especially after we just spent $400.00 on the controller. This cart is scary as hell and with my Father-in-law at 76 years old and I don't want him to get hurt or run somebody or something over. Any help would be greatfully appreciated.

BGW

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crash12888

It should have never left the repair shop until you were 100% satisfied to start with.
Did you talk to them since and tell them it "didn't fix itself"?
Who is the shop so others can steer clear of those Yahoos?
Half azz shops with parts replacers just gripe my a..........nevermind.

Have you checked all the batteries condition including load testing them?

rwhidden

I voiced my concerns to him about the symptoms and he said it was something other than what he fixed. Don't know if he is just after money or he is just guessing. Either way it costs me alot of money to be wrong. The shop is called Golf Carts Unlimited in Remlap, Alabama.
Batteries were tested with an automotive load tester individually and they all stayed at 6 volts or better under load.

eddogg

First of all there is no first or second gear, It could be the pedal switch, It could be that when the batteries fell out the hit the motor and bend the imput shaft... what did the work order say they did to it... because a controller is way more expensive than 400 bucks.

rib33024

the cart only jerks when you first push the pedal? - does the cart run good with the pedal to the floor?? or is it sluggish?

smallblock450sl

Might check the "linkage" from the pedal to the throttle position sensor (inside the box also). To test the TPS, unplug from the main wireharness. there will be 3 wires, blue and green and white. With a volt meter on ohms, first test (neg lead on green,pos on blue-1kohm +/- 20 %), second test (neg lead on green, pos on white-0 ohms). last test, better used with a needle style ohm meter, (pos lead on white, neg on green, slowly depres the pedal, should be 0 to 1k ohm +/- 30 %). What did they do to the controller or other work for 400.00 ? Did they have the controller rebuilt ? Did they give you a used one ? That would really help. Good luck, we can't have your father in law not being able to use his toy.

pjmia96

And now we return to rwhiddens Problem. Test the Solenoid. Check for loose Connections.

eddogg

Do you hear a click when you press the accelerator pedal, flip it in tow and back to run... do you hear a click, put volt meter on that baby. Do you have a back up beeper/buzzer when you put it in reverse? If not that's almost always a good indicator of a controller issue. Or maybe try replacing your pedal switch, those things crap out all the time!

rwhidden

I does not have a run/tow switch and the reverse buzzer was diconnected a long time ago. When I loaded it on the trailer to take it back to the shop I had to slap the gas pedal down a few times until it took off like a scalded dog then it ran good.
It is back at the shop right now and we will see what he says, He told me to bring it back and he would fix it at no extra charge. I will let yall know. Thanks for the help so far.

rib33024

Well thats cool of them yeah keep us posted, and if you need anything just ask