How to Troubleshoot a Yamaha Battery Charger


Yamaha Motor Corporation ships certain recreational products that use lead batteries with a battery charger. One of the recreational items that comes with a battery charger is Yamaha's fleet and personal golf carts. Problems with the chargers can include damaged batteries, error lights, and the charger being improperly plugged in. These kinds of problems can be corrected by following some steps.

  • Make sure the main switch key on the Yamaha vehicle is turned to the "Off" position if the charger doesn't work. The vehicle must be off before charging can take place. If you continue to run into problems, turn the tow switch to the "Tow" position. The "Tow" switch is usually under the seat on golf carts.

  • Monitor the lights on the charger. The second and third lights are error lights. If they are flashing red, reconnect the charger to the batteries and try the charge again. The first light on the charger is the power light. This light should be on when the charger is plugged into the AC power.

  • Check that the charger is rated 48 volts if the batteries become damaged. If you see discoloration on the batteries over time and they don't hold their charge, the batteries may have become damaged. They can become damaged if you use the wrong kind of charger. Use the Yamaha charger that came with the vehicle, and not any other kind of charger. Look for a rating of 48-Volts labeled in a specification plate on the Yamaha charger.

  • Make sure that the DC output lead on the Yamaha charger is inserted into the golf cart receptacle and that the AC plug is inserted into a wall outlet. The plugs are marked and are sized to fit the correct receptacle. Don't force the plugs, or try to alter them to try to get them to fit.

Tips & Warnings

  • Grasp the DC output plug after the charger has turned off and pull it straight out if you have difficulty unplugging the charger.


  • Photo Credit golf cart image by MAXFX from
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