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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-16-2019, 09:30 AM | #11 |
Not Yet Wild
Join Date: Feb 2019
Location: Tampa
Posts: 38
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Re: Trial and error?
The cart is a 1997 not sure I have anything to plug into
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05-16-2019, 09:38 AM | #12 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Trial and error?
Stock controller. I must have confused yours with another who upgraded to an Alltrax controller. I'd still check the Molex. Mine would sometimes leave me stranded until I unplugged/replugged a few times. I cut it off and soldered the wires and used a marine grade heat-shrink.
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05-16-2019, 12:07 PM | #13 | ||
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Trial and error?
Quote:
Quote:
1. The relative strengths of the electromagnets formed by the field and armature windings. 2. The voltage applied to the motor. 3. The mechanical load imposed on the motor. The way the series motor is wound doesn't change after leaving the factory and the mechanical loading probably matches the terrain fairly consistently, so the voltage being applied to the motor is about 25% lower when the cart's speed is about 25% slower. The battery pack voltage getting 25% lower at times is a possibility. The voltage getting to the controller is 25% lower at times. The voltage the controller applies to the motor is also a possibility. The ability of the F/R switch contacts to pass a high number of amps can change, so the F/R switch is the most likely suspect, but neither the battery pack nor the controller can be exonerated at this time. What is the voltage between the battery pack's main negative and main positive when cart is running slow? What is the voltage between the controller's B- and B+ terminals when cart is running slow? What is the voltage between the controller's M- and B+ terminals when cart is running slow? |
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05-16-2019, 08:15 PM | #14 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Trial and error?
If Molex were bad and throttle signal were sometimes bad, couldn't that explain it w/o a significant voltage drop?
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05-16-2019, 09:23 PM | #15 |
Not Yet Wild
Join Date: Feb 2019
Location: Tampa
Posts: 38
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Re: Trial and error?
Not familiar with molex what is that? Battery pack is less than a month old could I be having an issue with my charger? Only stock items on the cart are the stock controller/ f/r switch assuming it’s a 1997 frame there original and have taken a beating in 22 years
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05-17-2019, 04:19 AM | #16 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Trial and error?
See post 10. It's a four wire plug the connects the cable from the throttle box to the wiring harness. It's usually located just like the picture shows, between the FNR and the controller/solenoid.
Definitely do the tests JohnnyB said, and report back. |
05-18-2019, 05:33 PM | #17 |
Not Yet Wild
Join Date: Feb 2019
Location: Tampa
Posts: 38
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Re: Trial and error?
Went cruising today for about an hour. I was in the 19-21 mph range with the high of 23mph.. not a hiccup. I checked the f/r with my hand cool to the touch but my 200amp solenoid was very hott? Wires were a light warm but I figured after going full speed about 30-40 mins that’s expected. I didn’t get a chance to do any tests
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05-26-2019, 08:29 PM | #18 |
Not Yet Wild
Join Date: Feb 2019
Location: Tampa
Posts: 38
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Re: Trial and error?
I eliminated the molex connector today. I spliced the wires and used shrink wrap to finish it. The cart seemed more accurate around the higher teens. I used it on and off for awhile. The one time it wasn’t as powerful I switched back the f/r a few times like recommended and I was back on track. Guess a new f/r switch isabont to be on order
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05-27-2019, 06:22 AM | #19 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,204
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Re: Trial and error?
If your going to replace your F\R switch, I would highly recommend going with a HD contactor switch. (I bot mine from Scotty B) The EZ-GO lever shift F\R switch is the weakest link in the entire setup. I've found my contactor switch to work flawlessly for over two years now.
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05-27-2019, 06:37 PM | #20 |
Not Yet Wild
Join Date: Feb 2019
Location: Tampa
Posts: 38
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Re: Trial and error?
How is installation for the connector switch? Am I going to have to change out the wire ends with larger fittings then the 5/16s
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