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1987 yamaha g2 out of the voltage regulator I have 14 volts at the red and white wires. But at the battery and Red and Brown wires I have 17 volts.Ive tried a new voltage regulator.
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Assuming you've already verified that all wires are correctly connected using a wiring diagram and there are no broken or loose connections, you can further test the voltage regulator. You could test the voltage regulator by disconnecting the green wire from it. This wire typically runs from the voltage regulator to the starter/generator. Once you disconnect one end of the green wire from the voltage regulator, connect it directly to the battery's negative/ground terminal. If, after doing this, your voltage jumps to 17 volts, it indicates a faulty regulator.
The voltage regulator (VR) is responsible for keeping the voltage output steady, confirming that the battery and other electrical components get just the right amount of juice without overdoing it. This means preventing overcharging that could fry the battery and avoiding undercharging that could leave the electrical systems hungry for power.
You mentioned you replaced your VR, if its not OEM, aftermarket voltage regulators not always up to par and often skimp on quality compared to the original parts. They might be made from cheaper materials, lack precision in voltage regulation, or simply not have the durability needed to even work or go the distance. Plus they're not fine tuned for specific golf cart models, leading to compatibility headaches or improper voltage control. So, while they might seem like a bargain at first, aftermarket VRs can end up causing more trouble than they're worth in the long run. If you have any questions feel free to ask!
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