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      Your concern might be complex to diagnose and may require additional equipment to pinpoint the cause. In this case, you'll receive Digital Inspection results plus a quote to perform deeper diagnostic/test procedures.

      Top 100 Alternator Repair Shops in New Hampshire

      Tires Too

      Tires Too

      4.9
      Certified
      Mo-Fr 7:00 AM – 5:00 PM
      Sa-Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.9
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Reflex Tuning

      Reflex Tuning

      4.8
      Certified
      Mo-Th 7:00 AM – 5:30 PM
      Fr-Su Closed
      Accomplished Auto

      Accomplished Auto

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.7
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Central Park Express

      Central Park Express

      4.7
      Certified
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su 10:00 AM – 4:00 PM
      Meineke Car Care Center

      Meineke Car Care Center

      4.7
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Central Park Garage

      Central Park Garage

      4.7
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.7
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.6
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.6
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 8:00 AM – 4:00 PM
      Su Closed
      Meineke Car Care Center

      Meineke Car Care Center

      4.5
      Certified
      Mo-Fr 7:30 AM – 6:00 PM
      Sa 7:30 AM – 4:00 PM
      Su Closed
      Leon's Auto Center

      Leon's Auto Center

      4.2
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      South Elm Automotive

      South Elm Automotive

      5
      Good Standing
      Mo-Fr 8:00 AM – 4:30 PM
      Sa-Su Closed
      603 MTech Autowerks

      603 MTech Autowerks

      5
      Good Standing
      Mo-Fr 9:00 AM – 5:00 PM
      Sa-Su Closed
      Devoted Repairs

      Devoted Repairs

      5
      Good Standing
      Mo-Fr 9:00 AM – 5:00 PM
      Sa-Su Closed
      Gills Point S Tire & Auto Service

      Gills Point S Tire & Auto Service

      5
      Good Standing
      Mo-Th 8:00 AM – 5:00 PM
      Fr 8:00 AM – 3:00 PM
      Sa-Su Closed
      Whiting's Automotive Repair Towing And Recovery

      Whiting's Automotive Repair Towing And Recovery

      5
      Good Standing
      Mo-Su Open 24 hours
      Express Oil Change

      Express Oil Change

      5
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Silver Arrow Service

      Silver Arrow Service

      5
      Good Standing
      Mo-Th 8:00 AM – 5:00 PM
      Fr 8:00 AM – 4:00 PM
      Sa-Su Closed

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      Symptoms of a bad alternator

      A bad alternator can take a toll on your vehicle’s electrical system, affecting the dashboard, lights, multimedia, AC, etc. This is because the alternator is one of the "pulsing hearts" of your vehicle's electrical and charging systems, acting as a power supply to many components. If you suspect an alternator issue in your car, read our checklist below to try and find similar symptoms to yours.

      1. Dim or Flickering Headlights

      A failing alternator struggles to provide consistent electrical power, causing headlights to dim or flicker.

      2. Battery Warning Light

      The vehicle’s dashboard illuminates the battery icon when the alternator fails to charge the battery adequately.

      3. Dead Battery

      A bad alternator fails to recharge the battery, eventually leaving it drained and unable to start the car.

      4. Electrical Failures

      Insufficient power output from the alternator can cause issues like malfunctioning power windows, radio, or dashboard lights.

      5. Strange Noises (Whining or Grinding)

      Worn bearings inside the alternator or a loose serpentine belt can create whining or grinding sounds near the engine.

      6. Burning Rubber or Electrical Smell

      Overheating in the alternator or a slipping belt can cause a distinct burning smell.

      7. Car Stalls or Struggles to Start

      A failing alternator can't supply enough power to keep the engine running or to start the car reliably.

      8. Dim Interior or Dashboard Lights

      A bad alternator reduces electrical power to the vehicle’s interior lighting and dashboard displays.

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