Golf Cart Motor Controller Diagnose & Change

Diagnosing and changing a motor controller on an EZ-GO Marathon.

[Robo-drtk]

Me and a friend have went through everything just like you. Your video makes me feel better about the controller we just ordered. Hope we have the same results !!! Thanks, great video 👍

[prairiepainter]

Glad your fix worked! I have a really old EZ-Go...1982 model...having issues...I don't believe it has a speed controller though...has a Coil...the cart has a factory dash sign saying to floor the accelerator...don't partially press or the coil will heat up. The first summer I had it - I was tooling around kind of slow "ish" and smelled something burning...it was the underside of the seat (wood) - the coil was almost yellow Uffda! Now I try and run it flat out - in short bursts. I use mine like your folks do - help on the farm...I'm in my 70's and it helps a lot with chores. But now its not wanting to run...sorta acts like it will just creep a foot or two then quit. I've checked everything as far as the batteries, the cables and wires...suspect the coil or the solenoid - no pentiometer on this either. Will just keep searching and seeing if a solution presents itself.

[stappen]

I have generally the same symptoms of a bad controller. My EZ-GO TXT dies going up small hills and does not keep consistent speed. Thank You for the info on the Ebay Controller really saves lots of money!

[dogtag]

Your cart is the same as mine. I would like to see you do a video on the wiring to see where everything goes. Thanks

[amr]

My cart takes off on reverse without pressing the accelerator. Forward works properly. Think the controller is causing that problem?

[robbierichard]

I got a question, the cable that runs from the gear box to the controller get really hot, then the cart starts to act up, sometimes it cuts out at 1/4 throttle, it's a 93 marathon, controller issue or something else?

[ericstyer]

Went ahead and ordered the same controller, about $150. Ours was intermittent then became unusable. Replaced FNR, solenoid, charging ports. Kinda don’t mind throwing parts cannon at it cause they’re such old parts they’re going to fail sooner than later. The controller I got claims to have a 3 year warranty, that would be cool.

[swamp_donkey]

Can you do a video covering all the wiring? What gose where? I have the exact same cart and can not find the info I need to get it wired back up. There is a green wire coming from one side of the key switch it gose to the forward/reverse switch but there's a red wire coming from the other side of key switch I have no clue where it goes. If you could make a video covering all the connections it wold be a tremendous help!

[zachfiew]

How fast do you think it was going? I have an 88 marathon that can’t seem to break 10 mph. Trying to get some additional speed and wondering if the controller is just getting old.

[emilegiroux]

When you installed the new controller, did you need to connect any wire to J5 ??

[robbierichard]

I can only go about half to a quarter peddle, after that the cart dies, same Problem or no?

[littlebitofeverything]

If you still have can you post a video how it’s wired plz my wires under the reverse an forward swich and solenoid are in plugged can’t fine we’re they go thanks

[stower]

Do you have a link for that controller? I have the same cart. Mine has a bad controller or a motor. Test at the motor when pedal is pressed motors receiving only 30 volts on every Pole but motor does not move or voltage change by pedal. With the pedal pressed down at any rate and moving the forward and reverse switch back and forth it will sometimes engage motor but only at full speed.

[timothycolon]

My solenoid does not click yet I tested the solenoid and it does work. Almost seems like there is no power getting to the solenoid.

[MrPlasticdinosaur]

Great info thanks. My Carr starts moving without pressing the gas pedal. In Forward or reverse, it doesn't matter it moves?

[lyleerickson]

I need a controller for 95 club car model 1204-410 do you have an idea where i n[can get one I enjoyed your video it was vary informing

[Goodellsam]

Why not take the controler off your cart and swap it for this one, and see if it fixes it? It seems to be the obvious test to try.

[wolfie]

hi i have a question for anyone.. i have a 36v G2 yamaha.. when i put it in forward it goes, , on its own same with reverse.. no need to press the paddle?? also i put in a new key ignition and i can not figure the wiring to kill it so it can’t be used.. i found the diagram but makes no sense.. thanks

[huesudowoodo]

the problem with mine is that when you step on the pedal normally it doesn't run, you have to press veeery slowly then it starts to move

[jimboy]

I wonder if it ran good after a month .