Where is the voltage regulator?

Where Is My Voltage Regulator In My 1990 Grand Marquis?

  • As the title states I'm having trouble finding the voltage regulator in my car. I have a 1990 Mercury Grand Marquis and the voltage regulator should be external. I just bought a ...show more

  • Answer:

    As the other guy said your alternator has a built in voltage regulator. So if you bought a new alternator it will have a new voltage regulator. You may need to replace your battery, also check your battery cables to make sure they are not frayed or damaged.

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make sure your battery terminals are clean and check the grounds and make sure you shut things off if they are not automatic

Daniel Treasure

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