Motor always on!!!!

sgiandubh · 10-06-2008, 11:21 AM

Have a 82 marathon electric 36 volt. tore the body down and painted it (thats another story, don't let anyone tell you "ANYONE CAN PAINT" especially the putz selling you the paint and the reducer and renting the gun and the masking and...)

Excuse me I digress. After charging the cart I put the switch into forward and without depressing the accelerator the cart was moving at a slow pace on its own. Same for reverse. Any ideas what I need to look for? Going outside now to put it up in the air on jack stands. Thanks in advance for any advice I may receive.

pggroves · 10-06-2008, 01:36 PM

Check the wiper board and make sure wiper has full, free, and complete movement over contacts top to bottom.

Does cart move with key off?

sgiandubh · 10-06-2008, 01:42 PM

dont' know Sir. lost the key years ago and just have it wired together. checked the board....good movement and with no pressure on the accelerator the wiper is on the dead "button" at the bottom
could the solenoid have gone bad?

pggroves · 10-06-2008, 01:53 PM

Yes, a bad solenoid is possible. That's why I asked about the key.
This will sound crazy, but give the solenoid a little love tap and see if the cart stops. If it does, get a new solenoid.

BTW, EZGO's of that era to the newest ones use a common key. Any EZGO key should work on your switch. It is best to have that type of electrical system keyed since the resistor coils will create a fire hazard under the conditions you described. The resistor coils are only out of the circuit at the STOP and WIDE OPEN THROTTLE positions.
A key can also prevent those nasty unattended drive offs!

shadowman · 10-07-2008, 03:50 PM

yes a 2 wire key switch is under 10 dollars, it sounds like the solenoid is bad..............................

rusty · 10-07-2008, 09:52 PM

Welcome to the forum sgiandubh...................

sgiandubh · 10-12-2008, 08:02 PM

thank you for the welcome

roady89 · 10-12-2008, 08:11 PM

The solenoid is not the problem. Either the cart is not wired properly or the throttle assembly is sticking or not adjusted properly. A solenoid only makes the circuit, it does not regulate speed. At 0% throttle the solenoid is supposed to be disengaged, If the throttle is is not all the way up, or 0% throttle the solenoid will be engaged and the cart will move....at least it is supposed to be.

A working key switch will not fix a sticking throttle or mis-wired cart, if the key switch is off it will make sure when you put it in forward or reverse the cart doesn't take off.

I would also check any wires you took loose dury the paint job, you may have gotten them mis-wired.

10-06-2008, 11:21 AM	#1
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4	Motor always on!!!! Have a 82 marathon electric 36 volt. tore the body down and painted it (thats another story, don't let anyone tell you "ANYONE CAN PAINT" especially the putz selling you the paint and the reducer and renting the gun and the masking and...) Excuse me I digress. After charging the cart I put the switch into forward and without depressing the accelerator the cart was moving at a slow pace on its own. Same for reverse. Any ideas what I need to look for? Going outside now to put it up in the air on jack stands. Thanks in advance for any advice I may receive.
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4

10-06-2008, 01:36 PM	#2
pggroves steeplejack x Join Date: Jan 2007 Location: Republic of Texas Posts: 3,382	Re: Motor always on!!!! Check the wiper board and make sure wiper has full, free, and complete movement over contacts top to bottom. Does cart move with key off?

10-06-2008, 01:42 PM	#3
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4	Re: Motor always on!!!! dont' know Sir. lost the key years ago and just have it wired together. checked the board....good movement and with no pressure on the accelerator the wiper is on the dead "button" at the bottom could the solenoid have gone bad?
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4

10-06-2008, 01:53 PM	#4
pggroves steeplejack x Join Date: Jan 2007 Location: Republic of Texas Posts: 3,382	Re: Motor always on!!!! Yes, a bad solenoid is possible. That's why I asked about the key. This will sound crazy, but give the solenoid a little love tap and see if the cart stops. If it does, get a new solenoid. BTW, EZGO's of that era to the newest ones use a common key. Any EZGO key should work on your switch. It is best to have that type of electrical system keyed since the resistor coils will create a fire hazard under the conditions you described. The resistor coils are only out of the circuit at the STOP and WIDE OPEN THROTTLE positions. A key can also prevent those nasty unattended drive offs!

10-07-2008, 03:50 PM	#5
shadowman The Last Moja Morani Join Date: Jan 2007 Location: jumping from cart to cart Posts: 8,975	Re: Motor always on!!!! yes a 2 wire key switch is under 10 dollars, it sounds like the solenoid is bad..............................

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10-07-2008, 09:52 PM	#6
rusty Golf Cart Photographer Join Date: Jan 2007 Location: Wichita Falls Texas - My Ride 2010 Club Car Posts: 6,236	Re: Motor always on!!!! Welcome to the forum sgiandubh...................

10-12-2008, 08:02 PM	#7
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4	Re: Motor always on!!!! thank you for the welcome
sgiandubh Not Yet Wild Join Date: Sep 2008 Posts: 4

10-12-2008, 08:11 PM	#8
roady89 nimda Join Date: Jun 2007 Posts: 13,022	Re: Motor always on!!!! The solenoid is not the problem. Either the cart is not wired properly or the throttle assembly is sticking or not adjusted properly. A solenoid only makes the circuit, it does not regulate speed. At 0% throttle the solenoid is supposed to be disengaged, If the throttle is is not all the way up, or 0% throttle the solenoid will be engaged and the cart will move....at least it is supposed to be. A working key switch will not fix a sticking throttle or mis-wired cart, if the key switch is off it will make sure when you put it in forward or reverse the cart doesn't take off. I would also check any wires you took loose dury the paint job, you may have gotten them mis-wired.
roady89 nimda Join Date: Jun 2007 Posts: 13,022

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