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Old 01-12-2022, 08:02 AM   #1
Charlie54
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Default Yamaha G16e controller connector identification

Hello,
I'm trying to get an old G16e running. The previous owner removed the speed controller. The 3 big lugs for the power cables are not labeled. It is the original stock controller. Can anyone help me identify the B+ B- and M- lugs?
Thanks,
Charlie
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Old 01-12-2022, 01:34 PM   #2
TexTurbo
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Default Re: Yamaha G16e controller connector identification

The B- is the wire coming from the Battery pack NEGATIVE....
The B+ is the Wire coming from the output (big lug) of the Solenoid...
M- is the wire coming from the Motor....

If the wires have been disconnected from the points I mentioned, you will need to carefully reference a wiring diagram......an incorrect connection on this "high power" side of the controller will cause the "magic smoke" death signal from the controller.

Hope this helps !
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Old 01-12-2022, 03:09 PM   #3
Charlie54
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Default Re: Yamaha G16e controller connector identification

Thanks for the response. I understand what the wires go to, but I need to know which wire goes to which lug on the controller. There are no markings on the controller at all. Which lug is B+ etc.
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Old 01-12-2022, 07:26 PM   #4
TexTurbo
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Default Re: Yamaha G16e controller connector identification

WOW….
I understand the confusion, but I am going to bow out asIhave not seen one without the lugs labeled
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Old 01-13-2022, 12:14 AM   #5
biphase
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Default Re: Yamaha G16e controller connector identification

Quote:
Originally Posted by Charlie54 View Post
Thanks for the response. I understand what the wires go to, but I need to know which wire goes to which lug on the controller. There are no markings on the controller at all. Which lug is B+ etc.
If you look carefully, you will notice that there are small markings engraved into each of the three blades:

"-" is B-
"RE" is B+
"A2" goes to A2 on the motor
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Old 01-14-2022, 05:51 AM   #6
Charlie54
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Default Re: Yamaha G16e controller connector identification

Thank you. There was quite a bit of oxidation on the lugs, and I didn't notice the markings. Really appreciate you sharing your expertise.
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