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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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03-19-2020, 01:20 PM | #1 |
Gone Wild
Join Date: May 2016
Location: Central Alabama
Posts: 1,042
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G29 Solenoid activation Inputs
2012 G29.
Under normal conditions does controller need BOTH Key AND pedal switch input to close the circuit and activate Solenoid? Solenoid stays engaged (drains batts) with key switch off (and unplugged). Unless I am missing something, this appears to be a controller issue |
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03-19-2020, 03:15 PM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G29 Solenoid activation Inputs
Sounds like controller issue. The gas pedal & key switch have no direct input on solenoid state. They merely suggest to the controller that you would like the solenoid on & to travel.
Solenoid gets its control input B+ from Tow/run switch & its B- from the controller. |
03-19-2020, 10:19 PM | #3 | |
Gone Wild
Join Date: May 2016
Location: Central Alabama
Posts: 1,042
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Re: G29 Solenoid activation Inputs
Quote:
I understand that B+ flows to solenoid from R/T switch and the controller closes the circuit to B-. Does controller need input from both key and pedal or just key to close circuit? For comparison, I know the RXV closes Sol on Key and charge port input only and older carts require 4 mechanical switches in series to close to activate Sol. I was just not sure which inputs are mandatory for G29 controller to activate/close Sol. |
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03-20-2020, 02:53 AM | #4 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G29 Solenoid activation Inputs
Make NO comparison to rxv, totally different animal.
A couple things we need to clear up... Stock moric controller? Stock motor? Assuming stock controller, good wiring harness, functional reverse buzzer (for informational purposes only, not "kills the controller like rxv"). Should be able to push cart & it'll click solenoid, beep reverse buzzer, and try hard to stop you from pushing it (key off, pedal off, tow/run ON). Technically, controller doesnt need input from key or pedal to activate solenoid. I think you have a failed controller, but, it is odd, because that's totally not how they usually fail. They usually fail to "zero response, nada, nothing". And the solenoid is on even when Tow/run switch is unplugged? |
03-20-2020, 04:18 AM | #5 | |
Gone Wild
Join Date: May 2016
Location: Central Alabama
Posts: 1,042
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Re: G29 Solenoid activation Inputs
Quote:
Yes, Stock motor and Controller, reverse buzzer works. The odd thing is the cart drives fine, the SOL just does not release when I park it and it gets hot and over time drains battery. Like you said, it just seemed very odd to me that the activation circuit inside is the controller "failed shut" and I just wanted to be sure I understood what was going on and that I was not missing something. However, your diagnosis confirms mine which I had hoped was wrong, LOL. |
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03-21-2020, 02:03 AM | #6 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G29 Solenoid activation Inputs
Well, I dont like your wire harness either right now.
But the stock controller is trash anyway. Probably do controller & plan on motor soon. (Stock motor was trash) Was the downfall of the best yamana electric ever, G22e. Best frame/suspension/steering ever made. But some had crap motor & controller. (I suppose it makes it the best "upgrade candidate" ever, especially for a "hot street cart"). |
03-21-2020, 05:52 AM | #7 | |
Gone Wild
Join Date: May 2016
Location: Central Alabama
Posts: 1,042
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Re: G29 Solenoid activation Inputs
Quote:
BTW, everything you said about Yamaha I have found to be true; great cart except for the motor and controller. :-( THANK YOU again for all your help! |
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03-21-2020, 10:19 AM | #8 | |
Not Yet Wild
Join Date: Feb 2020
Location: Virginia
Posts: 44
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Re: G29 Solenoid activation Inputs
Quote:
PM me if interested |
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03-21-2020, 11:15 AM | #9 |
Gone Wild
Join Date: May 2016
Location: Central Alabama
Posts: 1,042
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Re: G29 Solenoid activation Inputs
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03-21-2020, 02:26 PM | #10 |
Not Yet Wild
Join Date: Feb 2020
Location: Virginia
Posts: 44
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Re: G29 Solenoid activation Inputs
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