10-31-2018, 09:22 AM | #1 |
Not Yet Wild
Join Date: Oct 2018
Posts: 3
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Melex 412 no forward/reverse action
Good morning, I have a Melex 412 and know nothing but would like to learn. I have removed batteries and cleaned them, solenoid clicks and cart make noise when gas pedal is pressed but I have no motion. I have no idea what to check for. We pulled the motor and it took to mechanic and he states that is looks great and brushes are great, solenoid was replaced last year. Thanks for your assistance. I would love a wiring diagram and maybe I could figure some things out.
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10-31-2018, 03:37 PM | #2 |
Not Yet Wild
Join Date: Oct 2018
Posts: 3
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Re: Melex 412 no forward/reverse action
i have checked the power and the solenoid is reading correctly but no power is going to the motor I dont think.
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10-31-2018, 04:29 PM | #3 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,417
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Re: Melex 412 no forward/reverse action
The Melex should be wired exactly like the Ezgo of the same year
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11-08-2018, 09:24 AM | #4 |
Not Yet Wild
Join Date: Oct 2018
Posts: 3
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Re: Melex 412 no forward/reverse action
Ok I bypassed the contoller and motor works, gas pedal too. I think its my controller. Can it be repaired or just replaced?
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11-09-2018, 11:53 AM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,417
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Re: Melex 412 no forward/reverse action
Repaired controllers do not last long before the next little internal part fails, after all it is 20 yr old electronics. You can replace with Alltrax SR48300 controller.
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09-10-2019, 09:38 AM | #6 |
Not Yet Wild
Join Date: Sep 2019
Posts: 3
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Re: Melex 412 no forward/reverse action
I am having similar issues with my 412. I removed my Curtis motor controller (Model 1204-017), but clearly the connections are different from the Alltrax you suggest. Is there a way to have the controller tested before I drop $400 on a new one? If I get the Alltrax, can you advise on how to connect it? My Curtis provides no clues as to what cables go where.
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09-26-2019, 11:43 AM | #7 |
Not Yet Wild
Join Date: Sep 2019
Posts: 3
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Re: Melex 412 no forward/reverse action
So, Scott provided me with great help with this offline. To show my gratitude (and keep people from making him repeat himself), I'm posting his guidance (filtered through my experience) below:
1. The cable from the Curtis A2 to the 6 o'clock position on the Forward & Reverse (F&R) switch becomes obsolete. You can remove it or just tape it off. 2. The other cables match up one-for-one. The terminal on the Curtis is imprinted with its function (e.g. B+, B-, M-) as are my cables. Be sure to include the smaller black wire from the B- (if present) along with the cable. 3. Regarding the three smaller terminal wires (Red, Blue, Black) attached consecutively to the Curtis, the red one goes to the red terminal at J1, and the blue and black can be attached in any order to J4 and J5. I was not able to mount the new controller where the old one was located with the existing cables. However, I was able to hook everything up and just let the controller rest on the motor given the clearance on my seat. I will surely relocate to a more suitable permanent position, but that will at least get me back on the road. |
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