Vehicle Questions and Answers
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The voltage regulator on your 2000 Honda Accord is located inside the engine compartment, behind the alternator case. Typically, this part costs around $170 at local auto stores like O'Reilly's, and the compatible part number for your vehicle is #29-0215. If you suspect the voltage regulator is the issue, look out for signs such as flickering or dim gauges, inaccurate readings, or erratic behavior. If left unchecked, the entire instrument cluster may eventually stop functioning. A common reason for voltage regulator failure is being undersized for consistent current draw, like running the engine without the battery connected, so it's important to keep that in mind.
This can be found beneath the car's hood, close to the battery. Search for a large silver container in that area.