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Help Trouble Shooting An Electric Golf Cart ? by cliffw
Started on: 07-31-2022 11:25 AM
Replies: 15 (434 views)
Last post by: cliffw on 08-08-2022 11:56 AM
cliffw
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Report this Post07-31-2022 11:25 AM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
Mine quit working. Less than one year old batteries, fully charged. It just quit running during use.

I need the electric supply route. I assume battery power starts at the battery, goes to the key ignition switch, then to the forward / reverse switch, then to the gas pedal.

Which then powers the forward / reverse mechanism which then tells the electric motor which way to spin to go forward or backward.

My problem is with one of those components, or just the wiring. Am I correct in my assumption ?

Also, it is a 42 volt system. It has headlights, running lights, brake lights, turn signals, and a horn. I believe these must be 12 volt. Will my 12 volt test light work on a 42 volt system ?

How does one test an electrical motor ?

Thanks in advance.
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IMSA GT
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Report this Post07-31-2022 12:27 PM Click Here to See the Profile for IMSA GTSend a Private Message to IMSA GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
I don't know which cart you have but depending on brand there is usually a large solenoid under the seat. Do you hear any loud thump or click when you turn it on and press the pedal to go forward?

Also there should be a fuse block somewhere.

[This message has been edited by IMSA GT (edited 07-31-2022).]

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Jake_Dragon
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Report this Post07-31-2022 01:43 PM Click Here to See the Profile for Jake_DragonSend a Private Message to Jake_DragonEdit/Delete MessageReply w/QuoteDirect Link to This Post
Make and model of the cart will go a long way.
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cliffw
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Report this Post07-31-2022 04:00 PM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
Not sure on the year. The model is an EZ Go "Western".

The year is likely an 1986 to 1994 or a 1995 and newer.
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williegoat
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Report this Post07-31-2022 04:02 PM Click Here to See the Profile for williegoatClick Here to visit williegoat's HomePageSend a Private Message to williegoatEdit/Delete MessageReply w/QuoteDirect Link to This Post
Golf carts ain't that fast. You shouldn't have much trouble shooting one.
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Jake_Dragon
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Report this Post07-31-2022 04:20 PM Click Here to See the Profile for Jake_DragonSend a Private Message to Jake_DragonEdit/Delete MessageReply w/QuoteDirect Link to This Post
Perhaps join and ask over there
https://www.buggiesgonewild.com

If nothing works and the batteries are all showing a charge then start looking for broken or burnt wires.
Start at the batteries and work your way back through each component.

Not sure if this is the right one
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82-T/A [At Work]
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Report this Post08-01-2022 08:10 AM Click Here to See the Profile for 82-T/A [At Work]Send a Private Message to 82-T/A [At Work]Edit/Delete MessageReply w/QuoteDirect Link to This Post
I used to have an EZ-GO...



It was the original Miami Dolphins medical cart... though I'd cut the back off so that I was allowed to drive it on the golf course. I ended up selling it though... I was moving every few years, and my dad didn't want it in his garage, so I sold it to someone in Ohio who's wife was a huge Dolphins fan.


But I suspect the problem you're having are the solenoids. I had the 36v one, but yours should be no different. There are a series of solenoids that engage at different speeds. There should be at LEAST two I believe, if memory serves me right... but unfortunately, I can't find any pictures of them (I went looking on my page). The first solenoid is for forward and reverse if I recall, and it simply switches based on the direction of the forward/reverse switch. The second relay engages once the vehicle has reached about half speed. Some of them have three relays.

Definitely recommend the Buggies Gone Wild website, that's where I went to get advice on how to fix mine back in the day.
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cliffw
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Report this Post08-02-2022 05:34 PM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by 82-T/A [At Work]:
It was the original Miami Dolphins medical cart.


Heh, my local radio station's DJ has a dolphin as his "emotion support animal".

Thanks all. My fix is not urgent and the cart is in a different county. I am armed to really screw it up, maybe.

My wife's Mom, deeply religious, who would not mock the Lord, used to tell my wiff to ask me to come over and lay my hands on something she needed fixed, .

I will get this thing fixed and let y'all know.

Now, the tease. It could be something as simple as a bad reed valve, . Wasn't a reed valve something that was found on a musical instrument, such as a flute ?

[This message has been edited by cliffw (edited 08-02-2022).]

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ray b
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Report this Post08-04-2022 02:04 PM Click Here to See the Profile for ray bSend a Private Message to ray bEdit/Delete MessageReply w/QuoteDirect Link to This Post
https://www.buggiesgonewild.com/index.php?

42 volts is ODD
36 3x12v or 6x6v
or 48 4x12v or 8x6v

do you have a older sparkie with a coil resister or a black box
relays first then connections then switches
clean the terminals check the wires

buy a cheap volt ohm meter harbor freight under $10

[This message has been edited by ray b (edited 08-04-2022).]

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maryjane
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Report this Post08-04-2022 02:32 PM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
reed valves are in smaller outboard boat motors, most 2 cycle and some 4 cycle internal combustion engines.


Ray, conversion from 36V to 42 volt was pretty popular mod for awhile until people realized it didn't cost any more to go on up to 48v instead.
They just added one 6V battery and charged it separately. A cheap upgrade with about a 10% power increase.
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Report this Post08-04-2022 03:13 PM Click Here to See the Profile for MidEngineManiacSend a Private Message to MidEngineManiacEdit/Delete MessageReply w/QuoteDirect Link to This Post
Never played with one of those, but does it have fuseable links ?

Those things have a nasty habit of making no-go and are the last thing anybody thinks to look for.
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cliffw
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Report this Post08-05-2022 06:06 AM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by maryjane:
reed valves are in smaller ...



Actually, I meant to say "reed switch".

 
quote
Originally posted by maryjane:
Ray, conversion from 36V to 42 volt was pretty popular mod for awhile until people realized it didn't cost any more to go on up to 48v instead.
They just added one 6V battery and charged it separately. A cheap upgrade with about a 10% power increase.


Mine is not modded. Seven six volt batteries. 42 volt charger.

7 X 6 (volts) = 42 volts.

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82-T/A [At Work]
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Report this Post08-05-2022 10:05 AM Click Here to See the Profile for 82-T/A [At Work]Send a Private Message to 82-T/A [At Work]Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by cliffw:

Mine is not modded. Seven six volt batteries. 42 volt charger.

7 X 6 (volts) = 42 volts.


I could be wrong, but I don't think I've ever seen an EZ-GO with 7 batteries... they usually did just add another 6v, and some people would even replace two 6Vs with two 12v car batteries (not even deep cycle) to get to 48. Not that it matters, but when ordering parts and troubleshooting, this could be something you need to consider.
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maryjane
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Report this Post08-05-2022 11:27 AM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by 82-T/A [At Work]:


I could be wrong, but I don't think I've ever seen an EZ-GO with 7 batteries... they usually did just add another 6v, and some people would even replace two 6Vs with two 12v car batteries (not even deep cycle) to get to 48. Not that it matters, but when ordering parts and troubleshooting, this could be something you need to consider.


The Kubota dealership I worked for was also an Ez-Go and Club Car distributor. EZ-Go never made an (OEM) 42V cart. They came 36V early then upped it to 48V in 2008.


Other brands tho, did use an Ez-Go chassis and made their own brands that did come with 42V but not EzGo. (actually, Western would make them any power rating you wanted perhaps even up to 72V. They were a custom manufacturer, much like CC did Fiero Meras.

[This message has been edited by maryjane (edited 08-05-2022).]

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ray b
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Report this Post08-05-2022 12:59 PM Click Here to See the Profile for ray bSend a Private Message to ray bEdit/Delete MessageReply w/QuoteDirect Link to This Post
just wonder if the new black box it may not like the 42 v
the older coil resisters did not care

I have a yamaha 2 stroke cart that had a reed valve
but we swaped for snowmoble cylinder carb piston ect and transfer ports for twice the power
need to find an unrusted dt-1 ext pipe to cut to fit for real POWER AS THE two's need pipes
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cliffw
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Report this Post08-08-2022 11:56 AM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by cliffw:
I need the electric supply route. I assume battery power starts at the battery, goes to the key ignition switch, then to the forward / reverse switch, then to the gas pedal.

Which then powers the forward / reverse mechanism which then tells the electric motor which way to spin to go forward or backward.


 
quote
Originally posted by Jake_Dragon:
Start at the batteries and work your way back through each component.

Not sure if this is the right one


Jake, thanks a bunch . All else also. Jake, that electrical schematic, I hate trying to figure them out but it is necessary, helped a bunch.

I now believe the batteries first power the solenoid, which then powers the ignition switch. Then it goes to the controller and / or forward / reverse selector. Then you should hear the solenoid click (activate).

I still am mystified on how the ?traction motor? knows which way to operate, forward or reverse.


 
quote
Originally posted by Jake_Dragon:
Perhaps join and ask over there
https://www.buggiesgonewild.com


That looks like a promising forum to be on. How ever, I can not join, register. I use G-Mail which they do not allow due to bats and spammers. I am unable to reply, start a topic, use the "search" function.

I used to have land base e-mail addresses, but no more. Can someone here register for me ? I will give you my ... preferred pro noun, umm, user name, and my preferred password.
 
quote
Originally posted by maryjane:
The Kubota dealership I worked for was also an Ez-Go and Club Car distributor. EZ-Go never made an (OEM) 42V cart. They came 36V early then upped it to 48V in 2008.

Other brands tho, did use an Ez-Go chassis and made their own brands that did come with 42V but not EzGo. (actually, Western would make them any power rating you wanted perhaps even up to 72V. They were a custom manufacturer, much like CC did Fiero Meras.


I feel special. Mine is a Western. Just like my 88 Fiero GT, T Top, parts are hard to find. T Top seals come to mind. I can get a 48 volt solenoid, a 36 volt solenoid, I can not find a 42 volt solenoid.

How would a solenoid know haw many volts it needs to activate ? Will a 36V or a 42V work ?


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