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My cart recently quit and initially I thought batteries neefrd charging. After full charge, still no go. I have electrically eliminated the key switch, the batteries, the toggle "run/tow" switch, the contact switch under the accelerator pedal, and the charging pack. Question now is, how much voltage should be registering on the f1/f2 and a1/a2 terminals?
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The voltage readings at the motor terminals (F1/F2 and A1/A2) can vary depending on your specific model. Generally speaking, when the cart is turned on and the accelerator is pressed, you should see a significant voltage reading at these terminals. Typically, you might expect to see full battery pack voltage across the A1 and A2 terminals when the motor is under load.
If you're not getting any voltage at these points, it could indicate a problem with the controller or the wiring leading to the motor. To get a better understanding, here's a similar helpful thread on Yamaha G22 troubleshooting and here is another one that covers G14, G16, and G19 model troubleshooting. These discussions might provide some insight into your issue, as they cover similar symptoms and diagnostic procedures.
It's also important to check for continuity and make sure that all connections are secure and free from corrosion. Sometimes, even a small issue in the wiring can cause the cart to stop working. Based on your initial diagnostics though, if the voltage readings on the motor terminals are not as expected, it might be worthwhile to focus on the controller and the associated wiring. The threads linked above contain detailed troubleshooting steps that will guide you through the process of checking these components more thoroughly.
I hope this helps point you in the right direction. Let me know if you need further assistance or if you have more details about your specific model!
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